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Finding the Fourth Proportional to 243,793.67, 335,733.56 and 200,958.57

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Solution

The fourth proportional to 243,793.67, 335,733.56 and 200,958.57 is: 276,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,793.67 : 335,733.56 = 200,958.57 : x
  2. Step 2: Convert to fraction form
    243,793.67/335,733.56 = 200,958.57/x
  3. Step 3: Cross multiply
    243,793.67x = 335,733.56 × 200,958.57
  4. Step 4: Simplify right side
    243,793.67x = 67,468,535,867.41
  5. Step 5: Solve for x
    x = 67,468,535,867.41/243,793.67
  6. Step 6: Final answer
    x = 276,744.42

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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.