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Finding the Fourth Proportional to 179.54, 269.37 and 63.98

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Solution

The fourth proportional to 179.54, 269.37 and 63.98 is: 95.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.54 : 269.37 = 63.98 : x
  2. Step 2: Convert to fraction form
    179.54/269.37 = 63.98/x
  3. Step 3: Cross multiply
    179.54x = 269.37 × 63.98
  4. Step 4: Simplify right side
    179.54x = 17,234.29
  5. Step 5: Solve for x
    x = 17,234.29/179.54
  6. Step 6: Final answer
    x = 95.99

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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.