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Finding the Fourth Proportional to 166.03, 229.12 and 96.13

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Solution

The fourth proportional to 166.03, 229.12 and 96.13 is: 132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.03 : 229.12 = 96.13 : x
  2. Step 2: Convert to fraction form
    166.03/229.12 = 96.13/x
  3. Step 3: Cross multiply
    166.03x = 229.12 × 96.13
  4. Step 4: Simplify right side
    166.03x = 22,025.31
  5. Step 5: Solve for x
    x = 22,025.31/166.03
  6. Step 6: Final answer
    x = 132.66

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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.