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Finding the Fourth Proportional to 104,626.52, 156,917.64 and 34,489.16

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Solution

The fourth proportional to 104,626.52, 156,917.64 and 34,489.16 is: 51,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,626.52 : 156,917.64 = 34,489.16 : x
  2. Step 2: Convert to fraction form
    104,626.52/156,917.64 = 34,489.16/x
  3. Step 3: Cross multiply
    104,626.52x = 156,917.64 × 34,489.16
  4. Step 4: Simplify right side
    104,626.52x = 5,411,957,592.78
  5. Step 5: Solve for x
    x = 5,411,957,592.78/104,626.52
  6. Step 6: Final answer
    x = 51,726.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.