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Finding the Fourth Proportional to 241.48, 333.25 and 143.24

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Solution

The fourth proportional to 241.48, 333.25 and 143.24 is: 197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.48 : 333.25 = 143.24 : x
  2. Step 2: Convert to fraction form
    241.48/333.25 = 143.24/x
  3. Step 3: Cross multiply
    241.48x = 333.25 × 143.24
  4. Step 4: Simplify right side
    241.48x = 47,734.73
  5. Step 5: Solve for x
    x = 47,734.73/241.48
  6. Step 6: Final answer
    x = 197.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.