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Finding the Fourth Proportional to 167.29, 250.62 and 95.20

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Solution

The fourth proportional to 167.29, 250.62 and 95.20 is: 142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.29 : 250.62 = 95.20 : x
  2. Step 2: Convert to fraction form
    167.29/250.62 = 95.20/x
  3. Step 3: Cross multiply
    167.29x = 250.62 × 95.20
  4. Step 4: Simplify right side
    167.29x = 23,859.02
  5. Step 5: Solve for x
    x = 23,859.02/167.29
  6. Step 6: Final answer
    x = 142.62

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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.