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Finding the Fourth Proportional to 167.89, 252.03 and 141.16

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Solution

The fourth proportional to 167.89, 252.03 and 141.16 is: 211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.89 : 252.03 = 141.16 : x
  2. Step 2: Convert to fraction form
    167.89/252.03 = 141.16/x
  3. Step 3: Cross multiply
    167.89x = 252.03 × 141.16
  4. Step 4: Simplify right side
    167.89x = 35,576.55
  5. Step 5: Solve for x
    x = 35,576.55/167.89
  6. Step 6: Final answer
    x = 211.90

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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.