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Finding the Fourth Proportional to 167.87, 250.34 and 161.04

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Solution

The fourth proportional to 167.87, 250.34 and 161.04 is: 240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.87 : 250.34 = 161.04 : x
  2. Step 2: Convert to fraction form
    167.87/250.34 = 161.04/x
  3. Step 3: Cross multiply
    167.87x = 250.34 × 161.04
  4. Step 4: Simplify right side
    167.87x = 40,314.38
  5. Step 5: Solve for x
    x = 40,314.38/167.87
  6. Step 6: Final answer
    x = 240.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.