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Finding the Fourth Proportional to 73,340.61, 109,993.26 and 33,859.83

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Solution

The fourth proportional to 73,340.61, 109,993.26 and 33,859.83 is: 50,781.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,340.61 : 109,993.26 = 33,859.83 : x
  2. Step 2: Convert to fraction form
    73,340.61/109,993.26 = 33,859.83/x
  3. Step 3: Cross multiply
    73,340.61x = 109,993.26 × 33,859.83
  4. Step 4: Simplify right side
    73,340.61x = 3,724,353,084.75
  5. Step 5: Solve for x
    x = 3,724,353,084.75/73,340.61
  6. Step 6: Final answer
    x = 50,781.59

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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.