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Finding the Fourth Proportional to 241.98, 362.96 and 68.65

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Solution

The fourth proportional to 241.98, 362.96 and 68.65 is: 102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.98 : 362.96 = 68.65 : x
  2. Step 2: Convert to fraction form
    241.98/362.96 = 68.65/x
  3. Step 3: Cross multiply
    241.98x = 362.96 × 68.65
  4. Step 4: Simplify right side
    241.98x = 24,917.20
  5. Step 5: Solve for x
    x = 24,917.20/241.98
  6. Step 6: Final answer
    x = 102.97

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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.