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Finding the Fourth Proportional to 234,205.32, 351,198.63 and 84,425.88

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Solution

The fourth proportional to 234,205.32, 351,198.63 and 84,425.88 is: 126,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,205.32 : 351,198.63 = 84,425.88 : x
  2. Step 2: Convert to fraction form
    234,205.32/351,198.63 = 84,425.88/x
  3. Step 3: Cross multiply
    234,205.32x = 351,198.63 × 84,425.88
  4. Step 4: Simplify right side
    234,205.32x = 29,650,253,392.54
  5. Step 5: Solve for x
    x = 29,650,253,392.54/234,205.32
  6. Step 6: Final answer
    x = 126,599.40

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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.