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Finding the Fourth Proportional to 191.26, 263.58 and 179.14

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Solution

The fourth proportional to 191.26, 263.58 and 179.14 is: 246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.26 : 263.58 = 179.14 : x
  2. Step 2: Convert to fraction form
    191.26/263.58 = 179.14/x
  3. Step 3: Cross multiply
    191.26x = 263.58 × 179.14
  4. Step 4: Simplify right side
    191.26x = 47,217.72
  5. Step 5: Solve for x
    x = 47,217.72/191.26
  6. Step 6: Final answer
    x = 246.88

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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.