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Finding the Fourth Proportional to 168,443.92, 252,380.38 and 101,743.92

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Solution

The fourth proportional to 168,443.92, 252,380.38 and 101,743.92 is: 152,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,443.92 : 252,380.38 = 101,743.92 : x
  2. Step 2: Convert to fraction form
    168,443.92/252,380.38 = 101,743.92/x
  3. Step 3: Cross multiply
    168,443.92x = 252,380.38 × 101,743.92
  4. Step 4: Simplify right side
    168,443.92x = 25,678,169,192.29
  5. Step 5: Solve for x
    x = 25,678,169,192.29/168,443.92
  6. Step 6: Final answer
    x = 152,443.43

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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.