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Finding the Fourth Proportional to 96.54, 144.68 and 59.96

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Solution

The fourth proportional to 96.54, 144.68 and 59.96 is: 89.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.54 : 144.68 = 59.96 : x
  2. Step 2: Convert to fraction form
    96.54/144.68 = 59.96/x
  3. Step 3: Cross multiply
    96.54x = 144.68 × 59.96
  4. Step 4: Simplify right side
    96.54x = 8,673.99
  5. Step 5: Solve for x
    x = 8,673.99/96.54
  6. Step 6: Final answer
    x = 89.85

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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.