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Finding the Fourth Proportional to 179.24, 268.70 and 97.96

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Solution

The fourth proportional to 179.24, 268.70 and 97.96 is: 146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.24 : 268.70 = 97.96 : x
  2. Step 2: Convert to fraction form
    179.24/268.70 = 97.96/x
  3. Step 3: Cross multiply
    179.24x = 268.70 × 97.96
  4. Step 4: Simplify right side
    179.24x = 26,321.85
  5. Step 5: Solve for x
    x = 26,321.85/179.24
  6. Step 6: Final answer
    x = 146.85

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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.