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Finding the Fourth Proportional to 173.68, 260.44 and 63.96

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Solution

The fourth proportional to 173.68, 260.44 and 63.96 is: 95.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.68 : 260.44 = 63.96 : x
  2. Step 2: Convert to fraction form
    173.68/260.44 = 63.96/x
  3. Step 3: Cross multiply
    173.68x = 260.44 × 63.96
  4. Step 4: Simplify right side
    173.68x = 16,657.74
  5. Step 5: Solve for x
    x = 16,657.74/173.68
  6. Step 6: Final answer
    x = 95.91

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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.