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Finding the Fourth Proportional to 118,613.26, 163,691.18 and 64,902.97

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Solution

The fourth proportional to 118,613.26, 163,691.18 and 64,902.97 is: 89,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,613.26 : 163,691.18 = 64,902.97 : x
  2. Step 2: Convert to fraction form
    118,613.26/163,691.18 = 64,902.97/x
  3. Step 3: Cross multiply
    118,613.26x = 163,691.18 × 64,902.97
  4. Step 4: Simplify right side
    118,613.26x = 10,624,043,744.80
  5. Step 5: Solve for x
    x = 10,624,043,744.80/118,613.26
  6. Step 6: Final answer
    x = 89,568.77

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