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Finding the Fourth Proportional to 79,958.57, 119,938.25 and 33,211.49

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Solution

The fourth proportional to 79,958.57, 119,938.25 and 33,211.49 is: 49,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,958.57 : 119,938.25 = 33,211.49 : x
  2. Step 2: Convert to fraction form
    79,958.57/119,938.25 = 33,211.49/x
  3. Step 3: Cross multiply
    79,958.57x = 119,938.25 × 33,211.49
  4. Step 4: Simplify right side
    79,958.57x = 3,983,327,473.83
  5. Step 5: Solve for x
    x = 3,983,327,473.83/79,958.57
  6. Step 6: Final answer
    x = 49,817.40

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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.