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Finding the Fourth Proportional to 240.82, 332.15 and 174.68

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Solution

The fourth proportional to 240.82, 332.15 and 174.68 is: 240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.82 : 332.15 = 174.68 : x
  2. Step 2: Convert to fraction form
    240.82/332.15 = 174.68/x
  3. Step 3: Cross multiply
    240.82x = 332.15 × 174.68
  4. Step 4: Simplify right side
    240.82x = 58,020.59
  5. Step 5: Solve for x
    x = 58,020.59/240.82
  6. Step 6: Final answer
    x = 240.93

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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.