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Finding the Fourth Proportional to 173.84, 260.56 and 92.66

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Solution

The fourth proportional to 173.84, 260.56 and 92.66 is: 138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.84 : 260.56 = 92.66 : x
  2. Step 2: Convert to fraction form
    173.84/260.56 = 92.66/x
  3. Step 3: Cross multiply
    173.84x = 260.56 × 92.66
  4. Step 4: Simplify right side
    173.84x = 24,143.03
  5. Step 5: Solve for x
    x = 24,143.03/173.84
  6. Step 6: Final answer
    x = 138.88

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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.