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Finding the Fourth Proportional to 96.11, 144.17 and 27.64

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Solution

The fourth proportional to 96.11, 144.17 and 27.64 is: 41.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.11 : 144.17 = 27.64 : x
  2. Step 2: Convert to fraction form
    96.11/144.17 = 27.64/x
  3. Step 3: Cross multiply
    96.11x = 144.17 × 27.64
  4. Step 4: Simplify right side
    96.11x = 3,984.86
  5. Step 5: Solve for x
    x = 3,984.86/96.11
  6. Step 6: Final answer
    x = 41.46

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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.