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Finding the Fourth Proportional to 78,337.53, 108,152.96 and 73,854.18

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Solution

The fourth proportional to 78,337.53, 108,152.96 and 73,854.18 is: 101,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,337.53 : 108,152.96 = 73,854.18 : x
  2. Step 2: Convert to fraction form
    78,337.53/108,152.96 = 73,854.18/x
  3. Step 3: Cross multiply
    78,337.53x = 108,152.96 × 73,854.18
  4. Step 4: Simplify right side
    78,337.53x = 7,987,547,806.10
  5. Step 5: Solve for x
    x = 7,987,547,806.10/78,337.53
  6. Step 6: Final answer
    x = 101,963.23

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