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Finding the Fourth Proportional to 96.61, 144.88 and 60.52

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Solution

The fourth proportional to 96.61, 144.88 and 60.52 is: 90.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.61 : 144.88 = 60.52 : x
  2. Step 2: Convert to fraction form
    96.61/144.88 = 60.52/x
  3. Step 3: Cross multiply
    96.61x = 144.88 × 60.52
  4. Step 4: Simplify right side
    96.61x = 8,768.14
  5. Step 5: Solve for x
    x = 8,768.14/96.61
  6. Step 6: Final answer
    x = 90.76

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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.