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Finding the Fourth Proportional to 240.43, 360.22 and 168.14

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Solution

The fourth proportional to 240.43, 360.22 and 168.14 is: 251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.43 : 360.22 = 168.14 : x
  2. Step 2: Convert to fraction form
    240.43/360.22 = 168.14/x
  3. Step 3: Cross multiply
    240.43x = 360.22 × 168.14
  4. Step 4: Simplify right side
    240.43x = 60,567.39
  5. Step 5: Solve for x
    x = 60,567.39/240.43
  6. Step 6: Final answer
    x = 251.91

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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.