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Finding the Fourth Proportional to 173.73, 260.67 and 82.44

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Solution

The fourth proportional to 173.73, 260.67 and 82.44 is: 123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.73 : 260.67 = 82.44 : x
  2. Step 2: Convert to fraction form
    173.73/260.67 = 82.44/x
  3. Step 3: Cross multiply
    173.73x = 260.67 × 82.44
  4. Step 4: Simplify right side
    173.73x = 21,489.63
  5. Step 5: Solve for x
    x = 21,489.63/173.73
  6. Step 6: Final answer
    x = 123.70

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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.