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Finding the Fourth Proportional to 166.75, 230.22 and 116.93

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Solution

The fourth proportional to 166.75, 230.22 and 116.93 is: 161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.75 : 230.22 = 116.93 : x
  2. Step 2: Convert to fraction form
    166.75/230.22 = 116.93/x
  3. Step 3: Cross multiply
    166.75x = 230.22 × 116.93
  4. Step 4: Simplify right side
    166.75x = 26,920.20
  5. Step 5: Solve for x
    x = 26,920.20/166.75
  6. Step 6: Final answer
    x = 161.44

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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.