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Finding the Fourth Proportional to 54,044.56, 81,074.96 and 18,978.04

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Solution

The fourth proportional to 54,044.56, 81,074.96 and 18,978.04 is: 28,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,044.56 : 81,074.96 = 18,978.04 : x
  2. Step 2: Convert to fraction form
    54,044.56/81,074.96 = 18,978.04/x
  3. Step 3: Cross multiply
    54,044.56x = 81,074.96 × 18,978.04
  4. Step 4: Simplify right side
    54,044.56x = 1,538,643,833.88
  5. Step 5: Solve for x
    x = 1,538,643,833.88/54,044.56
  6. Step 6: Final answer
    x = 28,469.91

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