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Finding the Fourth Proportional to 96.59, 144.76 and 53.27

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Solution

The fourth proportional to 96.59, 144.76 and 53.27 is: 79.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.59 : 144.76 = 53.27 : x
  2. Step 2: Convert to fraction form
    96.59/144.76 = 53.27/x
  3. Step 3: Cross multiply
    96.59x = 144.76 × 53.27
  4. Step 4: Simplify right side
    96.59x = 7,711.05
  5. Step 5: Solve for x
    x = 7,711.05/96.59
  6. Step 6: Final answer
    x = 79.83

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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.