оказать поддержку(Foreign investors propped up the currency by purchasing more government bonds. Val_Ships); оказать содействие(The company would go bankrupt if the government didn't prop it up with special tax breaks. Val_Ships)
субсидировать(to give support to something, especially a country or organization, so that it can continue to exist in a difficult situation; For years the whole industry was propped up by the government; за счёт налогоплательщиков Taras); оказывать помощь(Taras); оказывать поддержку(Taras)