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Finding the Fourth Proportional to 137,797.86, 206,524.26 and 58,819.62

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Solution

The fourth proportional to 137,797.86, 206,524.26 and 58,819.62 is: 88,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,797.86 : 206,524.26 = 58,819.62 : x
  2. Step 2: Convert to fraction form
    137,797.86/206,524.26 = 58,819.62/x
  3. Step 3: Cross multiply
    137,797.86x = 206,524.26 × 58,819.62
  4. Step 4: Simplify right side
    137,797.86x = 12,147,678,493.98
  5. Step 5: Solve for x
    x = 12,147,678,493.98/137,797.86
  6. Step 6: Final answer
    x = 88,155.78

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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.