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Finding the Fourth Proportional to 78,854.80, 108,822.20 and 43,046.72

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Solution

The fourth proportional to 78,854.80, 108,822.20 and 43,046.72 is: 59,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,854.80 : 108,822.20 = 43,046.72 : x
  2. Step 2: Convert to fraction form
    78,854.80/108,822.20 = 43,046.72/x
  3. Step 3: Cross multiply
    78,854.80x = 108,822.20 × 43,046.72
  4. Step 4: Simplify right side
    78,854.80x = 4,684,438,773.18
  5. Step 5: Solve for x
    x = 4,684,438,773.18/78,854.80
  6. Step 6: Final answer
    x = 59,405.88

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