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Finding the Fourth Proportional to 237,217.71, 355,770.66 and 87,376.62

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Solution

The fourth proportional to 237,217.71, 355,770.66 and 87,376.62 is: 131,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,217.71 : 355,770.66 = 87,376.62 : x
  2. Step 2: Convert to fraction form
    237,217.71/355,770.66 = 87,376.62/x
  3. Step 3: Cross multiply
    237,217.71x = 355,770.66 × 87,376.62
  4. Step 4: Simplify right side
    237,217.71x = 31,086,037,765.97
  5. Step 5: Solve for x
    x = 31,086,037,765.97/237,217.71
  6. Step 6: Final answer
    x = 131,044.34

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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.