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Finding the Fourth Proportional to 263.62, 395.37 and 101.26

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Solution

The fourth proportional to 263.62, 395.37 and 101.26 is: 151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.62 : 395.37 = 101.26 : x
  2. Step 2: Convert to fraction form
    263.62/395.37 = 101.26/x
  3. Step 3: Cross multiply
    263.62x = 395.37 × 101.26
  4. Step 4: Simplify right side
    263.62x = 40,035.17
  5. Step 5: Solve for x
    x = 40,035.17/263.62
  6. Step 6: Final answer
    x = 151.87

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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.