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Finding the Fourth Proportional to 72,932.99, 100,666.25 and 47,502.72

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Solution

The fourth proportional to 72,932.99, 100,666.25 and 47,502.72 is: 65,565.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,932.99 : 100,666.25 = 47,502.72 : x
  2. Step 2: Convert to fraction form
    72,932.99/100,666.25 = 47,502.72/x
  3. Step 3: Cross multiply
    72,932.99x = 100,666.25 × 47,502.72
  4. Step 4: Simplify right side
    72,932.99x = 4,781,920,687.20
  5. Step 5: Solve for x
    x = 4,781,920,687.20/72,932.99
  6. Step 6: Final answer
    x = 65,565.95

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