I take it you need the tailgate down for the Ranger's rear tires to rest on...otherwise, can you just take the tailgate off?
The other ideas all sound like headaches to me. If it doesn't fit, I'd sell the Ranger and get a Razr that fits.
2015 XLR Hyperlite 30HFS5 (mods being performed regularly)
2009 Salem LA 292fkds (gone)
Nights- ('12)23 ('13)23 ('14)15 ('15)31 ('16)25
2014 Harley Davidson FLHX (XLR cargo)
2014 VW Jetta TDI (diesel sipper, camping support vehicle)
2011 Ram 2500 CC 4X4 CTD, B&W Companion (toy hauler hauler)