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Finding the Fourth Proportional to 234,291.44, 323,320.72 and 126,859.20

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Solution

The fourth proportional to 234,291.44, 323,320.72 and 126,859.20 is: 175,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,291.44 : 323,320.72 = 126,859.20 : x
  2. Step 2: Convert to fraction form
    234,291.44/323,320.72 = 126,859.20/x
  3. Step 3: Cross multiply
    234,291.44x = 323,320.72 × 126,859.20
  4. Step 4: Simplify right side
    234,291.44x = 41,016,207,882.62
  5. Step 5: Solve for x
    x = 41,016,207,882.62/234,291.44
  6. Step 6: Final answer
    x = 175,064.90

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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.