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Finding the Fourth Proportional to 54,539.16, 81,809.76 and 17,098.40

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Solution

The fourth proportional to 54,539.16, 81,809.76 and 17,098.40 is: 25,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,539.16 : 81,809.76 = 17,098.40 : x
  2. Step 2: Convert to fraction form
    54,539.16/81,809.76 = 17,098.40/x
  3. Step 3: Cross multiply
    54,539.16x = 81,809.76 × 17,098.40
  4. Step 4: Simplify right side
    54,539.16x = 1,398,816,000.38
  5. Step 5: Solve for x
    x = 1,398,816,000.38/54,539.16
  6. Step 6: Final answer
    x = 25,647.92

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