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Finding the Fourth Proportional to 166.54, 229.82 and 96.62

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Solution

The fourth proportional to 166.54, 229.82 and 96.62 is: 133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.54 : 229.82 = 96.62 : x
  2. Step 2: Convert to fraction form
    166.54/229.82 = 96.62/x
  3. Step 3: Cross multiply
    166.54x = 229.82 × 96.62
  4. Step 4: Simplify right side
    166.54x = 22,205.21
  5. Step 5: Solve for x
    x = 22,205.21/166.54
  6. Step 6: Final answer
    x = 133.33

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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.