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Finding the Fourth Proportional to 241.81, 362.67 and 68.44

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Solution

The fourth proportional to 241.81, 362.67 and 68.44 is: 102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.81 : 362.67 = 68.44 : x
  2. Step 2: Convert to fraction form
    241.81/362.67 = 68.44/x
  3. Step 3: Cross multiply
    241.81x = 362.67 × 68.44
  4. Step 4: Simplify right side
    241.81x = 24,819.62
  5. Step 5: Solve for x
    x = 24,819.62/241.81
  6. Step 6: Final answer
    x = 102.64

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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.