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Finding the Fourth Proportional to 173.97, 240.54 and 166.32

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Solution

The fourth proportional to 173.97, 240.54 and 166.32 is: 229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.97 : 240.54 = 166.32 : x
  2. Step 2: Convert to fraction form
    173.97/240.54 = 166.32/x
  3. Step 3: Cross multiply
    173.97x = 240.54 × 166.32
  4. Step 4: Simplify right side
    173.97x = 40,006.61
  5. Step 5: Solve for x
    x = 40,006.61/173.97
  6. Step 6: Final answer
    x = 229.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.