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Finding the Fourth Proportional to 168.66, 232.68 and 132

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Solution

The fourth proportional to 168.66, 232.68 and 132 is: 182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.66 : 232.68 = 132 : x
  2. Step 2: Convert to fraction form
    168.66/232.68 = 132/x
  3. Step 3: Cross multiply
    168.66x = 232.68 × 132
  4. Step 4: Simplify right side
    168.66x = 30,713.76
  5. Step 5: Solve for x
    x = 30,713.76/168.66
  6. Step 6: Final answer
    x = 182.10

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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.