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Finding the Fourth Proportional to 155.24, 232.92 and 63.96

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Solution

The fourth proportional to 155.24, 232.92 and 63.96 is: 95.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.24 : 232.92 = 63.96 : x
  2. Step 2: Convert to fraction form
    155.24/232.92 = 63.96/x
  3. Step 3: Cross multiply
    155.24x = 232.92 × 63.96
  4. Step 4: Simplify right side
    155.24x = 14,897.56
  5. Step 5: Solve for x
    x = 14,897.56/155.24
  6. Step 6: Final answer
    x = 95.96

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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.