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Finding the Fourth Proportional to 167.29, 250.92 and 94.20

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Solution

The fourth proportional to 167.29, 250.92 and 94.20 is: 141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.29 : 250.92 = 94.20 : x
  2. Step 2: Convert to fraction form
    167.29/250.92 = 94.20/x
  3. Step 3: Cross multiply
    167.29x = 250.92 × 94.20
  4. Step 4: Simplify right side
    167.29x = 23,636.66
  5. Step 5: Solve for x
    x = 23,636.66/167.29
  6. Step 6: Final answer
    x = 141.29

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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.