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Finding the Fourth Proportional to 73,123.75, 100,910.82 and 39,589.75

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Solution

The fourth proportional to 73,123.75, 100,910.82 and 39,589.75 is: 54,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,123.75 : 100,910.82 = 39,589.75 : x
  2. Step 2: Convert to fraction form
    73,123.75/100,910.82 = 39,589.75/x
  3. Step 3: Cross multiply
    73,123.75x = 100,910.82 × 39,589.75
  4. Step 4: Simplify right side
    73,123.75x = 3,995,034,136.10
  5. Step 5: Solve for x
    x = 3,995,034,136.10/73,123.75
  6. Step 6: Final answer
    x = 54,633.88

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