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Finding the Fourth Proportional to 96.29, 144.30 and 44.87

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Solution

The fourth proportional to 96.29, 144.30 and 44.87 is: 67.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.29 : 144.30 = 44.87 : x
  2. Step 2: Convert to fraction form
    96.29/144.30 = 44.87/x
  3. Step 3: Cross multiply
    96.29x = 144.30 × 44.87
  4. Step 4: Simplify right side
    96.29x = 6,474.74
  5. Step 5: Solve for x
    x = 6,474.74/96.29
  6. Step 6: Final answer
    x = 67.25

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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.