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Finding the Fourth Proportional to 96.37, 132.97 and 75.65

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Solution

The fourth proportional to 96.37, 132.97 and 75.65 is: 104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.37 : 132.97 = 75.65 : x
  2. Step 2: Convert to fraction form
    96.37/132.97 = 75.65/x
  3. Step 3: Cross multiply
    96.37x = 132.97 × 75.65
  4. Step 4: Simplify right side
    96.37x = 10,059.18
  5. Step 5: Solve for x
    x = 10,059.18/96.37
  6. Step 6: Final answer
    x = 104.38

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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.