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Finding the Fourth Proportional to 96.56, 133.82 and 95.12

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Solution

The fourth proportional to 96.56, 133.82 and 95.12 is: 131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.56 : 133.82 = 95.12 : x
  2. Step 2: Convert to fraction form
    96.56/133.82 = 95.12/x
  3. Step 3: Cross multiply
    96.56x = 133.82 × 95.12
  4. Step 4: Simplify right side
    96.56x = 12,728.96
  5. Step 5: Solve for x
    x = 12,728.96/96.56
  6. Step 6: Final answer
    x = 131.82

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.