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Finding the Fourth Proportional to 191.44, 264.13 and 125.97

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Solution

The fourth proportional to 191.44, 264.13 and 125.97 is: 173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.44 : 264.13 = 125.97 : x
  2. Step 2: Convert to fraction form
    191.44/264.13 = 125.97/x
  3. Step 3: Cross multiply
    191.44x = 264.13 × 125.97
  4. Step 4: Simplify right side
    191.44x = 33,272.46
  5. Step 5: Solve for x
    x = 33,272.46/191.44
  6. Step 6: Final answer
    x = 173.80

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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.