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Finding the Fourth Proportional to 81,404.10, 112,351.57 and 47,432.73

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Solution

The fourth proportional to 81,404.10, 112,351.57 and 47,432.73 is: 65,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,404.10 : 112,351.57 = 47,432.73 : x
  2. Step 2: Convert to fraction form
    81,404.10/112,351.57 = 47,432.73/x
  3. Step 3: Cross multiply
    81,404.10x = 112,351.57 × 47,432.73
  4. Step 4: Simplify right side
    81,404.10x = 5,329,141,264.35
  5. Step 5: Solve for x
    x = 5,329,141,264.35/81,404.10
  6. Step 6: Final answer
    x = 65,465.27

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