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Finding the Fourth Proportional to 54,269.20, 81,403.80 and 49,430.80

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Solution

The fourth proportional to 54,269.20, 81,403.80 and 49,430.80 is: 74,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,269.20 : 81,403.80 = 49,430.80 : x
  2. Step 2: Convert to fraction form
    54,269.20/81,403.80 = 49,430.80/x
  3. Step 3: Cross multiply
    54,269.20x = 81,403.80 × 49,430.80
  4. Step 4: Simplify right side
    54,269.20x = 4,023,854,957.04
  5. Step 5: Solve for x
    x = 4,023,854,957.04/54,269.20
  6. Step 6: Final answer
    x = 74,146.20

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