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Finding the Fourth Proportional to 232.11, 347.90 and 170.67

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Solution

The fourth proportional to 232.11, 347.90 and 170.67 is: 255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.11 : 347.90 = 170.67 : x
  2. Step 2: Convert to fraction form
    232.11/347.90 = 170.67/x
  3. Step 3: Cross multiply
    232.11x = 347.90 × 170.67
  4. Step 4: Simplify right side
    232.11x = 59,377.27
  5. Step 5: Solve for x
    x = 59,377.27/232.11
  6. Step 6: Final answer
    x = 255.81

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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.