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Finding the Fourth Proportional to 241.28, 362.08 and 112.96

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Solution

The fourth proportional to 241.28, 362.08 and 112.96 is: 169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.28 : 362.08 = 112.96 : x
  2. Step 2: Convert to fraction form
    241.28/362.08 = 112.96/x
  3. Step 3: Cross multiply
    241.28x = 362.08 × 112.96
  4. Step 4: Simplify right side
    241.28x = 40,900.56
  5. Step 5: Solve for x
    x = 40,900.56/241.28
  6. Step 6: Final answer
    x = 169.51

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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.