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Finding the Fourth Proportional to 71,863.82, 107,756.04 and 33,353.33

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Solution

The fourth proportional to 71,863.82, 107,756.04 and 33,353.33 is: 50,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,863.82 : 107,756.04 = 33,353.33 : x
  2. Step 2: Convert to fraction form
    71,863.82/107,756.04 = 33,353.33/x
  3. Step 3: Cross multiply
    71,863.82x = 107,756.04 × 33,353.33
  4. Step 4: Simplify right side
    71,863.82x = 3,594,022,761.61
  5. Step 5: Solve for x
    x = 3,594,022,761.61/71,863.82
  6. Step 6: Final answer
    x = 50,011.57

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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.