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Finding the Fourth Proportional to 166.62, 249.96 and 58.41

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Solution

The fourth proportional to 166.62, 249.96 and 58.41 is: 87.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.62 : 249.96 = 58.41 : x
  2. Step 2: Convert to fraction form
    166.62/249.96 = 58.41/x
  3. Step 3: Cross multiply
    166.62x = 249.96 × 58.41
  4. Step 4: Simplify right side
    166.62x = 14,600.16
  5. Step 5: Solve for x
    x = 14,600.16/166.62
  6. Step 6: Final answer
    x = 87.63

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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.