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Finding the Fourth Proportional to 241.67, 362.49 and 79.34

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Solution

The fourth proportional to 241.67, 362.49 and 79.34 is: 119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.67 : 362.49 = 79.34 : x
  2. Step 2: Convert to fraction form
    241.67/362.49 = 79.34/x
  3. Step 3: Cross multiply
    241.67x = 362.49 × 79.34
  4. Step 4: Simplify right side
    241.67x = 28,759.96
  5. Step 5: Solve for x
    x = 28,759.96/241.67
  6. Step 6: Final answer
    x = 119.01

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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.