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Finding the Fourth Proportional to 241.96, 362.49 and 133.42

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Solution

The fourth proportional to 241.96, 362.49 and 133.42 is: 199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.96 : 362.49 = 133.42 : x
  2. Step 2: Convert to fraction form
    241.96/362.49 = 133.42/x
  3. Step 3: Cross multiply
    241.96x = 362.49 × 133.42
  4. Step 4: Simplify right side
    241.96x = 48,363.42
  5. Step 5: Solve for x
    x = 48,363.42/241.96
  6. Step 6: Final answer
    x = 199.88

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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.