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Finding the Fourth Proportional to 96.55, 132.96 and 82.73

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Solution

The fourth proportional to 96.55, 132.96 and 82.73 is: 113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.55 : 132.96 = 82.73 : x
  2. Step 2: Convert to fraction form
    96.55/132.96 = 82.73/x
  3. Step 3: Cross multiply
    96.55x = 132.96 × 82.73
  4. Step 4: Simplify right side
    96.55x = 11,000.11
  5. Step 5: Solve for x
    x = 11,000.11/96.55
  6. Step 6: Final answer
    x = 113.93

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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.