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Finding the Fourth Proportional to 234.97, 352.60 and 130.95

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Solution

The fourth proportional to 234.97, 352.60 and 130.95 is: 196.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.97 : 352.60 = 130.95 : x
  2. Step 2: Convert to fraction form
    234.97/352.60 = 130.95/x
  3. Step 3: Cross multiply
    234.97x = 352.60 × 130.95
  4. Step 4: Simplify right side
    234.97x = 46,173.38
  5. Step 5: Solve for x
    x = 46,173.38/234.97
  6. Step 6: Final answer
    x = 196.51

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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.