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Finding the Fourth Proportional to 53,255.04, 79,857.84 and 31,074.80

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Solution

The fourth proportional to 53,255.04, 79,857.84 and 31,074.80 is: 46,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,255.04 : 79,857.84 = 31,074.80 : x
  2. Step 2: Convert to fraction form
    53,255.04/79,857.84 = 31,074.80/x
  3. Step 3: Cross multiply
    53,255.04x = 79,857.84 × 31,074.80
  4. Step 4: Simplify right side
    53,255.04x = 2,481,566,406.43
  5. Step 5: Solve for x
    x = 2,481,566,406.43/53,255.04
  6. Step 6: Final answer
    x = 46,597.78

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