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Finding the Fourth Proportional to 263.43, 395.16 and 101.14

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Solution

The fourth proportional to 263.43, 395.16 and 101.14 is: 151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.43 : 395.16 = 101.14 : x
  2. Step 2: Convert to fraction form
    263.43/395.16 = 101.14/x
  3. Step 3: Cross multiply
    263.43x = 395.16 × 101.14
  4. Step 4: Simplify right side
    263.43x = 39,966.48
  5. Step 5: Solve for x
    x = 39,966.48/263.43
  6. Step 6: Final answer
    x = 151.71

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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.