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Finding the Fourth Proportional to 241.68, 362.68 and 113.68

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Solution

The fourth proportional to 241.68, 362.68 and 113.68 is: 170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.68 : 362.68 = 113.68 : x
  2. Step 2: Convert to fraction form
    241.68/362.68 = 113.68/x
  3. Step 3: Cross multiply
    241.68x = 362.68 × 113.68
  4. Step 4: Simplify right side
    241.68x = 41,229.46
  5. Step 5: Solve for x
    x = 41,229.46/241.68
  6. Step 6: Final answer
    x = 170.60

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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.