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Finding the Fourth Proportional to 237.96, 328.82 and 168.84

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Solution

The fourth proportional to 237.96, 328.82 and 168.84 is: 233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.96 : 328.82 = 168.84 : x
  2. Step 2: Convert to fraction form
    237.96/328.82 = 168.84/x
  3. Step 3: Cross multiply
    237.96x = 328.82 × 168.84
  4. Step 4: Simplify right side
    237.96x = 55,517.97
  5. Step 5: Solve for x
    x = 55,517.97/237.96
  6. Step 6: Final answer
    x = 233.31

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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.