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Finding the Fourth Proportional to 96.19, 132.44 and 75.44

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Solution

The fourth proportional to 96.19, 132.44 and 75.44 is: 103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.19 : 132.44 = 75.44 : x
  2. Step 2: Convert to fraction form
    96.19/132.44 = 75.44/x
  3. Step 3: Cross multiply
    96.19x = 132.44 × 75.44
  4. Step 4: Simplify right side
    96.19x = 9,991.27
  5. Step 5: Solve for x
    x = 9,991.27/96.19
  6. Step 6: Final answer
    x = 103.87

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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.