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Finding the Fourth Proportional to 83,030.40, 124,545.60 and 82,252.80

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Solution

The fourth proportional to 83,030.40, 124,545.60 and 82,252.80 is: 123,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,030.40 : 124,545.60 = 82,252.80 : x
  2. Step 2: Convert to fraction form
    83,030.40/124,545.60 = 82,252.80/x
  3. Step 3: Cross multiply
    83,030.40x = 124,545.60 × 82,252.80
  4. Step 4: Simplify right side
    83,030.40x = 10,244,224,327.68
  5. Step 5: Solve for x
    x = 10,244,224,327.68/83,030.40
  6. Step 6: Final answer
    x = 123,379.20

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