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Finding the Fourth Proportional to 191.33, 264.06 and 108.44

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Solution

The fourth proportional to 191.33, 264.06 and 108.44 is: 149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.33 : 264.06 = 108.44 : x
  2. Step 2: Convert to fraction form
    191.33/264.06 = 108.44/x
  3. Step 3: Cross multiply
    191.33x = 264.06 × 108.44
  4. Step 4: Simplify right side
    191.33x = 28,634.34
  5. Step 5: Solve for x
    x = 28,634.34/191.33
  6. Step 6: Final answer
    x = 149.66

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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.