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Finding the Fourth Proportional to 96.16, 144.33 and 63.57

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Solution

The fourth proportional to 96.16, 144.33 and 63.57 is: 95.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.16 : 144.33 = 63.57 : x
  2. Step 2: Convert to fraction form
    96.16/144.33 = 63.57/x
  3. Step 3: Cross multiply
    96.16x = 144.33 × 63.57
  4. Step 4: Simplify right side
    96.16x = 9,175.06
  5. Step 5: Solve for x
    x = 9,175.06/96.16
  6. Step 6: Final answer
    x = 95.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.