The board of county commissioners of any county having a population of more than one hundred twenty-five thousand persons and having an assessed tangible valuation of more than one hundred fifty million dollars in which there is a fair association and a livestock show association which are organized and operating under the provisions of Kan. Stat. Ann. §§ 2-125 to 2-131, both sections inclusive, and amendments thereto, upon the request of such fair association or livestock association is hereby authorized and empowered to make an annual tax levy of not to exceed one-fortieth of one mill upon all of the taxable tangible property of the county for the purpose of raising funds to be used for the erection and maintenance of buildings or the purchase of supplies and equipment of such fair association or livestock association. The board of county commissioners shall determine the amount necessary to be raised by such levy. The moneys raised by such levy shall be divided equally between the fair association and the livestock show association. The tax levy authorized by this section shall be in addition to all other tax levies authorized or limited by law and shall be outside the aggregate limitation provided in Kan. Stat. Ann. § 79-1947, and the amount collected therefrom shall be paid to such fair association and livestock association for the purposes and in the proportions herein specified, and shall be in addition to the amount allowed to such associations under the provisions of Kan. Stat. Ann. § 2-129, and amendments thereto.