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Finding the Fourth Proportional to 167.10, 230.62 and 108.88

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Solution

The fourth proportional to 167.10, 230.62 and 108.88 is: 150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.10 : 230.62 = 108.88 : x
  2. Step 2: Convert to fraction form
    167.10/230.62 = 108.88/x
  3. Step 3: Cross multiply
    167.10x = 230.62 × 108.88
  4. Step 4: Simplify right side
    167.10x = 25,109.91
  5. Step 5: Solve for x
    x = 25,109.91/167.10
  6. Step 6: Final answer
    x = 150.27

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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.