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Finding the Fourth Proportional to 74,545.20, 111,817.80 and 44,947.80

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Solution

The fourth proportional to 74,545.20, 111,817.80 and 44,947.80 is: 67,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,545.20 : 111,817.80 = 44,947.80 : x
  2. Step 2: Convert to fraction form
    74,545.20/111,817.80 = 44,947.80/x
  3. Step 3: Cross multiply
    74,545.20x = 111,817.80 × 44,947.80
  4. Step 4: Simplify right side
    74,545.20x = 5,025,964,110.84
  5. Step 5: Solve for x
    x = 5,025,964,110.84/74,545.20
  6. Step 6: Final answer
    x = 67,421.70

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