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Finding the Fourth Proportional to 240.11, 331.00 and 169.96

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Solution

The fourth proportional to 240.11, 331.00 and 169.96 is: 234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.11 : 331.00 = 169.96 : x
  2. Step 2: Convert to fraction form
    240.11/331.00 = 169.96/x
  3. Step 3: Cross multiply
    240.11x = 331.00 × 169.96
  4. Step 4: Simplify right side
    240.11x = 56,255.51
  5. Step 5: Solve for x
    x = 56,255.51/240.11
  6. Step 6: Final answer
    x = 234.29

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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.