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Finding the Fourth Proportional to 113,148.52, 156,149.90 and 62,847.52

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Solution

The fourth proportional to 113,148.52, 156,149.90 and 62,847.52 is: 86,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,148.52 : 156,149.90 = 62,847.52 : x
  2. Step 2: Convert to fraction form
    113,148.52/156,149.90 = 62,847.52/x
  3. Step 3: Cross multiply
    113,148.52x = 156,149.90 × 62,847.52
  4. Step 4: Simplify right side
    113,148.52x = 9,813,633,963.25
  5. Step 5: Solve for x
    x = 9,813,633,963.25/113,148.52
  6. Step 6: Final answer
    x = 86,732.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.