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Finding the Fourth Proportional to 234,279.91, 323,304.90 and 126,847.72

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Solution

The fourth proportional to 234,279.91, 323,304.90 and 126,847.72 is: 175,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,279.91 : 323,304.90 = 126,847.72 : x
  2. Step 2: Convert to fraction form
    234,279.91/323,304.90 = 126,847.72/x
  3. Step 3: Cross multiply
    234,279.91x = 323,304.90 × 126,847.72
  4. Step 4: Simplify right side
    234,279.91x = 41,010,487,813.30
  5. Step 5: Solve for x
    x = 41,010,487,813.30/234,279.91
  6. Step 6: Final answer
    x = 175,049.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.