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Finding the Fourth Proportional to 241, 331.74 and 181.96

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Solution

The fourth proportional to 241, 331.74 and 181.96 is: 250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    241 : 331.74 = 181.96 : x
  2. Step 2: Convert to fraction form
    241/331.74 = 181.96/x
  3. Step 3: Cross multiply
    241x = 331.74 × 181.96
  4. Step 4: Simplify right side
    241x = 60,363.41
  5. Step 5: Solve for x
    x = 60,363.41/241
  6. Step 6: Final answer
    x = 250.47

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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.