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Finding the Fourth Proportional to 96.17, 144.25 and 35.28

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Solution

The fourth proportional to 96.17, 144.25 and 35.28 is: 52.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.17 : 144.25 = 35.28 : x
  2. Step 2: Convert to fraction form
    96.17/144.25 = 35.28/x
  3. Step 3: Cross multiply
    96.17x = 144.25 × 35.28
  4. Step 4: Simplify right side
    96.17x = 5,089.05
  5. Step 5: Solve for x
    x = 5,089.05/96.17
  6. Step 6: Final answer
    x = 52.92

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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.