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Finding the Fourth Proportional to 252,866.91, 379,487.03 and 119,746.96

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Solution

The fourth proportional to 252,866.91, 379,487.03 and 119,746.96 is: 179,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,866.91 : 379,487.03 = 119,746.96 : x
  2. Step 2: Convert to fraction form
    252,866.91/379,487.03 = 119,746.96/x
  3. Step 3: Cross multiply
    252,866.91x = 379,487.03 × 119,746.96
  4. Step 4: Simplify right side
    252,866.91x = 45,442,416,654.48
  5. Step 5: Solve for x
    x = 45,442,416,654.48/252,866.91
  6. Step 6: Final answer
    x = 179,708.83

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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.