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Finding the Fourth Proportional to 206,049.59, 309,118.79 and 63,892.01

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Solution

The fourth proportional to 206,049.59, 309,118.79 and 63,892.01 is: 95,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,049.59 : 309,118.79 = 63,892.01 : x
  2. Step 2: Convert to fraction form
    206,049.59/309,118.79 = 63,892.01/x
  3. Step 3: Cross multiply
    206,049.59x = 309,118.79 × 63,892.01
  4. Step 4: Simplify right side
    206,049.59x = 19,750,220,821.87
  5. Step 5: Solve for x
    x = 19,750,220,821.87/206,049.59
  6. Step 6: Final answer
    x = 95,851.78

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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.