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Finding the Fourth Proportional to 197.24, 295.95 and 75.59

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Solution

The fourth proportional to 197.24, 295.95 and 75.59 is: 113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.24 : 295.95 = 75.59 : x
  2. Step 2: Convert to fraction form
    197.24/295.95 = 75.59/x
  3. Step 3: Cross multiply
    197.24x = 295.95 × 75.59
  4. Step 4: Simplify right side
    197.24x = 22,369.66
  5. Step 5: Solve for x
    x = 22,369.66/197.24
  6. Step 6: Final answer
    x = 113.41

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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.