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Finding the Fourth Proportional to 167.98, 231.87 and 116.14

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Solution

The fourth proportional to 167.98, 231.87 and 116.14 is: 160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.98 : 231.87 = 116.14 : x
  2. Step 2: Convert to fraction form
    167.98/231.87 = 116.14/x
  3. Step 3: Cross multiply
    167.98x = 231.87 × 116.14
  4. Step 4: Simplify right side
    167.98x = 26,929.38
  5. Step 5: Solve for x
    x = 26,929.38/167.98
  6. Step 6: Final answer
    x = 160.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.