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Finding the Fourth Proportional to 167.44, 251.05 and 116.18

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Solution

The fourth proportional to 167.44, 251.05 and 116.18 is: 174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.44 : 251.05 = 116.18 : x
  2. Step 2: Convert to fraction form
    167.44/251.05 = 116.18/x
  3. Step 3: Cross multiply
    167.44x = 251.05 × 116.18
  4. Step 4: Simplify right side
    167.44x = 29,168.01
  5. Step 5: Solve for x
    x = 29,168.01/167.44
  6. Step 6: Final answer
    x = 174.20

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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.