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Finding the Fourth Proportional to 240.98, 360.86 and 168.48

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Solution

The fourth proportional to 240.98, 360.86 and 168.48 is: 252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.98 : 360.86 = 168.48 : x
  2. Step 2: Convert to fraction form
    240.98/360.86 = 168.48/x
  3. Step 3: Cross multiply
    240.98x = 360.86 × 168.48
  4. Step 4: Simplify right side
    240.98x = 60,796.85
  5. Step 5: Solve for x
    x = 60,796.85/240.98
  6. Step 6: Final answer
    x = 252.30

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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.