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Finding the Fourth Proportional to 234,245.70, 323,255.25 and 126,814.77

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Solution

The fourth proportional to 234,245.70, 323,255.25 and 126,814.77 is: 175,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,245.70 : 323,255.25 = 126,814.77 : x
  2. Step 2: Convert to fraction form
    234,245.70/323,255.25 = 126,814.77/x
  3. Step 3: Cross multiply
    234,245.70x = 323,255.25 × 126,814.77
  4. Step 4: Simplify right side
    234,245.70x = 40,993,540,180.04
  5. Step 5: Solve for x
    x = 40,993,540,180.04/234,245.70
  6. Step 6: Final answer
    x = 175,002.32

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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.