"In 1910, the average American was only 25% richer than the average Argentine.[i] Now it’s about 400%."

I think it's a bad idea to expect Argentina to go back in time and achieve anything close to that 75% (*). The causes for Argentina's previous wealth are no longer there:

mangosorbananas.com/p/w…

mangosorbananas.com/p/w…

(*) And it was more like 62%, not 75%.