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Finding the Fourth Proportional to 197.74, 296.37 and 110.95

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Solution

The fourth proportional to 197.74, 296.37 and 110.95 is: 166.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.74 : 296.37 = 110.95 : x
  2. Step 2: Convert to fraction form
    197.74/296.37 = 110.95/x
  3. Step 3: Cross multiply
    197.74x = 296.37 × 110.95
  4. Step 4: Simplify right side
    197.74x = 32,881.51
  5. Step 5: Solve for x
    x = 32,881.51/197.74
  6. Step 6: Final answer
    x = 166.29

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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.