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Finding the Fourth Proportional to 95.98, 132.38 and 67.96

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Solution

The fourth proportional to 95.98, 132.38 and 67.96 is: 93.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.98 : 132.38 = 67.96 : x
  2. Step 2: Convert to fraction form
    95.98/132.38 = 67.96/x
  3. Step 3: Cross multiply
    95.98x = 132.38 × 67.96
  4. Step 4: Simplify right side
    95.98x = 8,996.54
  5. Step 5: Solve for x
    x = 8,996.54/95.98
  6. Step 6: Final answer
    x = 93.73

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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.