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Finding the Fourth Proportional to 96.27, 144.44 and 65.76

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Solution

The fourth proportional to 96.27, 144.44 and 65.76 is: 98.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.27 : 144.44 = 65.76 : x
  2. Step 2: Convert to fraction form
    96.27/144.44 = 65.76/x
  3. Step 3: Cross multiply
    96.27x = 144.44 × 65.76
  4. Step 4: Simplify right side
    96.27x = 9,498.05
  5. Step 5: Solve for x
    x = 9,498.05/96.27
  6. Step 6: Final answer
    x = 98.66

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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.