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Finding the Fourth Proportional to 82,285.28, 123,435.12 and 23,121.44

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Solution

The fourth proportional to 82,285.28, 123,435.12 and 23,121.44 is: 34,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,285.28 : 123,435.12 = 23,121.44 : x
  2. Step 2: Convert to fraction form
    82,285.28/123,435.12 = 23,121.44/x
  3. Step 3: Cross multiply
    82,285.28x = 123,435.12 × 23,121.44
  4. Step 4: Simplify right side
    82,285.28x = 2,853,997,720.97
  5. Step 5: Solve for x
    x = 2,853,997,720.97/82,285.28
  6. Step 6: Final answer
    x = 34,684.18

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