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Finding the Fourth Proportional to 132.03, 182.28 and 82.96

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Solution

The fourth proportional to 132.03, 182.28 and 82.96 is: 114.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.03 : 182.28 = 82.96 : x
  2. Step 2: Convert to fraction form
    132.03/182.28 = 82.96/x
  3. Step 3: Cross multiply
    132.03x = 182.28 × 82.96
  4. Step 4: Simplify right side
    132.03x = 15,121.95
  5. Step 5: Solve for x
    x = 15,121.95/132.03
  6. Step 6: Final answer
    x = 114.53

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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.