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Finding the Fourth Proportional to 239,743.62, 359,633.13 and 68,958.44

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Solution

The fourth proportional to 239,743.62, 359,633.13 and 68,958.44 is: 103,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,743.62 : 359,633.13 = 68,958.44 : x
  2. Step 2: Convert to fraction form
    239,743.62/359,633.13 = 68,958.44/x
  3. Step 3: Cross multiply
    239,743.62x = 359,633.13 × 68,958.44
  4. Step 4: Simplify right side
    239,743.62x = 24,799,737,820.26
  5. Step 5: Solve for x
    x = 24,799,737,820.26/239,743.62
  6. Step 6: Final answer
    x = 103,442.74

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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.