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Finding the Fourth Proportional to 79,958.44, 119,938.07 and 33,211.36

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Solution

The fourth proportional to 79,958.44, 119,938.07 and 33,211.36 is: 49,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,958.44 : 119,938.07 = 33,211.36 : x
  2. Step 2: Convert to fraction form
    79,958.44/119,938.07 = 33,211.36/x
  3. Step 3: Cross multiply
    79,958.44x = 119,938.07 × 33,211.36
  4. Step 4: Simplify right side
    79,958.44x = 3,983,306,420.48
  5. Step 5: Solve for x
    x = 3,983,306,420.48/79,958.44
  6. Step 6: Final answer
    x = 49,817.21

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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.