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Finding the Fourth Proportional to 241.99, 362.96 and 126.39

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Solution

The fourth proportional to 241.99, 362.96 and 126.39 is: 189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.99 : 362.96 = 126.39 : x
  2. Step 2: Convert to fraction form
    241.99/362.96 = 126.39/x
  3. Step 3: Cross multiply
    241.99x = 362.96 × 126.39
  4. Step 4: Simplify right side
    241.99x = 45,872.30
  5. Step 5: Solve for x
    x = 45,872.30/241.99
  6. Step 6: Final answer
    x = 189.56

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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.