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Finding the Fourth Proportional to 167.46, 252.20 and 141.95

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Solution

The fourth proportional to 167.46, 252.20 and 141.95 is: 213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.46 : 252.20 = 141.95 : x
  2. Step 2: Convert to fraction form
    167.46/252.20 = 141.95/x
  3. Step 3: Cross multiply
    167.46x = 252.20 × 141.95
  4. Step 4: Simplify right side
    167.46x = 35,797.82
  5. Step 5: Solve for x
    x = 35,797.82/167.46
  6. Step 6: Final answer
    x = 213.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.