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Finding the Fourth Proportional to 174.96, 243.07 and 173.37

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Solution

The fourth proportional to 174.96, 243.07 and 173.37 is: 240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.96 : 243.07 = 173.37 : x
  2. Step 2: Convert to fraction form
    174.96/243.07 = 173.37/x
  3. Step 3: Cross multiply
    174.96x = 243.07 × 173.37
  4. Step 4: Simplify right side
    174.96x = 42,141.52
  5. Step 5: Solve for x
    x = 42,141.52/174.96
  6. Step 6: Final answer
    x = 240.86

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.