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Finding the Fourth Proportional to 234,239.88, 323,251.74 and 126,809.64

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Solution

The fourth proportional to 234,239.88, 323,251.74 and 126,809.64 is: 174,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,239.88 : 323,251.74 = 126,809.64 : x
  2. Step 2: Convert to fraction form
    234,239.88/323,251.74 = 126,809.64/x
  3. Step 3: Cross multiply
    234,239.88x = 323,251.74 × 126,809.64
  4. Step 4: Simplify right side
    234,239.88x = 40,991,436,778.77
  5. Step 5: Solve for x
    x = 40,991,436,778.77/234,239.88
  6. Step 6: Final answer
    x = 174,997.69

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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.