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Finding the Fourth Proportional to 241.18, 361.96 and 111.33

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Solution

The fourth proportional to 241.18, 361.96 and 111.33 is: 167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.18 : 361.96 = 111.33 : x
  2. Step 2: Convert to fraction form
    241.18/361.96 = 111.33/x
  3. Step 3: Cross multiply
    241.18x = 361.96 × 111.33
  4. Step 4: Simplify right side
    241.18x = 40,296.73
  5. Step 5: Solve for x
    x = 40,296.73/241.18
  6. Step 6: Final answer
    x = 167.08

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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.