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Finding the Fourth Proportional to 263.74, 395.34 and 160.75

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Solution

The fourth proportional to 263.74, 395.34 and 160.75 is: 240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.74 : 395.34 = 160.75 : x
  2. Step 2: Convert to fraction form
    263.74/395.34 = 160.75/x
  3. Step 3: Cross multiply
    263.74x = 395.34 × 160.75
  4. Step 4: Simplify right side
    263.74x = 63,550.91
  5. Step 5: Solve for x
    x = 63,550.91/263.74
  6. Step 6: Final answer
    x = 240.96

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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.