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Finding the Fourth Proportional to 167.05, 250.48 and 132.71

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Solution

The fourth proportional to 167.05, 250.48 and 132.71 is: 198.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.05 : 250.48 = 132.71 : x
  2. Step 2: Convert to fraction form
    167.05/250.48 = 132.71/x
  3. Step 3: Cross multiply
    167.05x = 250.48 × 132.71
  4. Step 4: Simplify right side
    167.05x = 33,241.20
  5. Step 5: Solve for x
    x = 33,241.20/167.05
  6. Step 6: Final answer
    x = 198.99

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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.