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Finding the Fourth Proportional to 118,766.10, 178,165.56 and 39,902.88

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Solution

The fourth proportional to 118,766.10, 178,165.56 and 39,902.88 is: 59,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,766.10 : 178,165.56 = 39,902.88 : x
  2. Step 2: Convert to fraction form
    118,766.10/178,165.56 = 39,902.88/x
  3. Step 3: Cross multiply
    118,766.10x = 178,165.56 × 39,902.88
  4. Step 4: Simplify right side
    118,766.10x = 7,109,318,960.81
  5. Step 5: Solve for x
    x = 7,109,318,960.81/118,766.10
  6. Step 6: Final answer
    x = 59,859.83

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