155.23 County hospitals; federal loans, aid, etc.—The board of county commissioners of any county desiring to establish and maintain a hospital under the provisions of this law shall be and are hereby authorized and empowered to negotiate and make agreements with any federal agency lending or granting money for the purpose of erecting public hospitals and may match any funds so loaned or granted by such federal agency for the purpose of establishing or constructing a public hospital under the provisions of this law.