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Finding the Fourth Proportional to 168,440.92, 252,375.89 and 101,740.91

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Solution

The fourth proportional to 168,440.92, 252,375.89 and 101,740.91 is: 152,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,440.92 : 252,375.89 = 101,740.91 : x
  2. Step 2: Convert to fraction form
    168,440.92/252,375.89 = 101,740.91/x
  3. Step 3: Cross multiply
    168,440.92x = 252,375.89 × 101,740.91
  4. Step 4: Simplify right side
    168,440.92x = 25,676,952,788.91
  5. Step 5: Solve for x
    x = 25,676,952,788.91/168,440.92
  6. Step 6: Final answer
    x = 152,438.93

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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.