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Finding the Fourth Proportional to 54,017.52, 81,038.26 and 20,737.59

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Solution

The fourth proportional to 54,017.52, 81,038.26 and 20,737.59 is: 31,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,017.52 : 81,038.26 = 20,737.59 : x
  2. Step 2: Convert to fraction form
    54,017.52/81,038.26 = 20,737.59/x
  3. Step 3: Cross multiply
    54,017.52x = 81,038.26 × 20,737.59
  4. Step 4: Simplify right side
    54,017.52x = 1,680,538,210.19
  5. Step 5: Solve for x
    x = 1,680,538,210.19/54,017.52
  6. Step 6: Final answer
    x = 31,110.98

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