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Finding the Fourth Proportional to 81,706.56, 112,737.58 and 47,699.62

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Solution

The fourth proportional to 81,706.56, 112,737.58 and 47,699.62 is: 65,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,706.56 : 112,737.58 = 47,699.62 : x
  2. Step 2: Convert to fraction form
    81,706.56/112,737.58 = 47,699.62/x
  3. Step 3: Cross multiply
    81,706.56x = 112,737.58 × 47,699.62
  4. Step 4: Simplify right side
    81,706.56x = 5,377,539,725.72
  5. Step 5: Solve for x
    x = 5,377,539,725.72/81,706.56
  6. Step 6: Final answer
    x = 65,815.28

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