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Finding the Fourth Proportional to 96.28, 144.35 and 41.38

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Solution

The fourth proportional to 96.28, 144.35 and 41.38 is: 62.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.28 : 144.35 = 41.38 : x
  2. Step 2: Convert to fraction form
    96.28/144.35 = 41.38/x
  3. Step 3: Cross multiply
    96.28x = 144.35 × 41.38
  4. Step 4: Simplify right side
    96.28x = 5,973.20
  5. Step 5: Solve for x
    x = 5,973.20/96.28
  6. Step 6: Final answer
    x = 62.04

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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.