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Finding the Fourth Proportional to 197.11, 295.68 and 75.37

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Solution

The fourth proportional to 197.11, 295.68 and 75.37 is: 113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.11 : 295.68 = 75.37 : x
  2. Step 2: Convert to fraction form
    197.11/295.68 = 75.37/x
  3. Step 3: Cross multiply
    197.11x = 295.68 × 75.37
  4. Step 4: Simplify right side
    197.11x = 22,285.40
  5. Step 5: Solve for x
    x = 22,285.40/197.11
  6. Step 6: Final answer
    x = 113.06

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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.