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Finding the Fourth Proportional to 263.96, 395.66 and 119.48

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Solution

The fourth proportional to 263.96, 395.66 and 119.48 is: 179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.96 : 395.66 = 119.48 : x
  2. Step 2: Convert to fraction form
    263.96/395.66 = 119.48/x
  3. Step 3: Cross multiply
    263.96x = 395.66 × 119.48
  4. Step 4: Simplify right side
    263.96x = 47,273.46
  5. Step 5: Solve for x
    x = 47,273.46/263.96
  6. Step 6: Final answer
    x = 179.09

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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.