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Finding the Fourth Proportional to 57,752.28, 79,698.12 and 31,256.28

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Solution

The fourth proportional to 57,752.28, 79,698.12 and 31,256.28 is: 43,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,752.28 : 79,698.12 = 31,256.28 : x
  2. Step 2: Convert to fraction form
    57,752.28/79,698.12 = 31,256.28/x
  3. Step 3: Cross multiply
    57,752.28x = 79,698.12 × 31,256.28
  4. Step 4: Simplify right side
    57,752.28x = 2,491,066,754.19
  5. Step 5: Solve for x
    x = 2,491,066,754.19/57,752.28
  6. Step 6: Final answer
    x = 43,133.65

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