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Finding the Fourth Proportional to 168,240.42, 252,726.96 and 101,711.88

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Solution

The fourth proportional to 168,240.42, 252,726.96 and 101,711.88 is: 152,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,240.42 : 252,726.96 = 101,711.88 : x
  2. Step 2: Convert to fraction form
    168,240.42/252,726.96 = 101,711.88/x
  3. Step 3: Cross multiply
    168,240.42x = 252,726.96 × 101,711.88
  4. Step 4: Simplify right side
    168,240.42x = 25,705,334,228.28
  5. Step 5: Solve for x
    x = 25,705,334,228.28/168,240.42
  6. Step 6: Final answer
    x = 152,789.29

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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.