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Finding the Fourth Proportional to 167.16, 230.60 and 101.62

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Solution

The fourth proportional to 167.16, 230.60 and 101.62 is: 140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.16 : 230.60 = 101.62 : x
  2. Step 2: Convert to fraction form
    167.16/230.60 = 101.62/x
  3. Step 3: Cross multiply
    167.16x = 230.60 × 101.62
  4. Step 4: Simplify right side
    167.16x = 23,433.57
  5. Step 5: Solve for x
    x = 23,433.57/167.16
  6. Step 6: Final answer
    x = 140.19

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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.