CAIRO, Jan 2 (Reuters) - The United Arab Emirates prime minister and Dubai ruler Sheikh Mohammed bin Rashid Al Maktoum has approved Dubai"s budget for the fiscal years 2022-2024, with a total expenditure of 181 billion Emirati dirhams ($49 billion), Dubai"s deputy ruler said in a tweet on Sunday. The budget includes expenditure of 59.95 billion dirhams for 2022, the tweet said.