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Finding the Fourth Proportional to 71,873.25, 107,667.27 and 33,870.48

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Solution

The fourth proportional to 71,873.25, 107,667.27 and 33,870.48 is: 50,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,873.25 : 107,667.27 = 33,870.48 : x
  2. Step 2: Convert to fraction form
    71,873.25/107,667.27 = 33,870.48/x
  3. Step 3: Cross multiply
    71,873.25x = 107,667.27 × 33,870.48
  4. Step 4: Simplify right side
    71,873.25x = 3,646,741,945.84
  5. Step 5: Solve for x
    x = 3,646,741,945.84/71,873.25
  6. Step 6: Final answer
    x = 50,738.51

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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.