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Finding the Fourth Proportional to 251.44, 346.98 and 168.41

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Solution

The fourth proportional to 251.44, 346.98 and 168.41 is: 232.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.44 : 346.98 = 168.41 : x
  2. Step 2: Convert to fraction form
    251.44/346.98 = 168.41/x
  3. Step 3: Cross multiply
    251.44x = 346.98 × 168.41
  4. Step 4: Simplify right side
    251.44x = 58,436.40
  5. Step 5: Solve for x
    x = 58,436.40/251.44
  6. Step 6: Final answer
    x = 232.41

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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.