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Finding the Fourth Proportional to 96.59, 144.72 and 50.96

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Solution

The fourth proportional to 96.59, 144.72 and 50.96 is: 76.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.59 : 144.72 = 50.96 : x
  2. Step 2: Convert to fraction form
    96.59/144.72 = 50.96/x
  3. Step 3: Cross multiply
    96.59x = 144.72 × 50.96
  4. Step 4: Simplify right side
    96.59x = 7,375.29
  5. Step 5: Solve for x
    x = 7,375.29/96.59
  6. Step 6: Final answer
    x = 76.35

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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.