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Finding the Fourth Proportional to 206,100.59, 309,194.96 and 63,942.77

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Solution

The fourth proportional to 206,100.59, 309,194.96 and 63,942.77 is: 95,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,100.59 : 309,194.96 = 63,942.77 : x
  2. Step 2: Convert to fraction form
    206,100.59/309,194.96 = 63,942.77/x
  3. Step 3: Cross multiply
    206,100.59x = 309,194.96 × 63,942.77
  4. Step 4: Simplify right side
    206,100.59x = 19,770,780,926.49
  5. Step 5: Solve for x
    x = 19,770,780,926.49/206,100.59
  6. Step 6: Final answer
    x = 95,927.83

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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.