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Finding the Fourth Proportional to 49,329.60, 74,073.60 and 45,691.20

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Solution

The fourth proportional to 49,329.60, 74,073.60 and 45,691.20 is: 68,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,329.60 : 74,073.60 = 45,691.20 : x
  2. Step 2: Convert to fraction form
    49,329.60/74,073.60 = 45,691.20/x
  3. Step 3: Cross multiply
    49,329.60x = 74,073.60 × 45,691.20
  4. Step 4: Simplify right side
    49,329.60x = 3,384,511,672.32
  5. Step 5: Solve for x
    x = 3,384,511,672.32/49,329.60
  6. Step 6: Final answer
    x = 68,610.16

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