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Finding the Fourth Proportional to 241.96, 362.94 and 68.64

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Solution

The fourth proportional to 241.96, 362.94 and 68.64 is: 102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.96 : 362.94 = 68.64 : x
  2. Step 2: Convert to fraction form
    241.96/362.94 = 68.64/x
  3. Step 3: Cross multiply
    241.96x = 362.94 × 68.64
  4. Step 4: Simplify right side
    241.96x = 24,911.10
  5. Step 5: Solve for x
    x = 24,911.10/241.96
  6. Step 6: Final answer
    x = 102.95

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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.