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Finding the Fourth Proportional to 263.12, 363 and 159.44

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Solution

The fourth proportional to 263.12, 363 and 159.44 is: 219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.12 : 363 = 159.44 : x
  2. Step 2: Convert to fraction form
    263.12/363 = 159.44/x
  3. Step 3: Cross multiply
    263.12x = 363 × 159.44
  4. Step 4: Simplify right side
    263.12x = 57,876.72
  5. Step 5: Solve for x
    x = 57,876.72/263.12
  6. Step 6: Final answer
    x = 219.96

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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.