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Finding the Fourth Proportional to 220,251.96, 330,334.20 and 107,883.90

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Solution

The fourth proportional to 220,251.96, 330,334.20 and 107,883.90 is: 161,804.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,251.96 : 330,334.20 = 107,883.90 : x
  2. Step 2: Convert to fraction form
    220,251.96/330,334.20 = 107,883.90/x
  3. Step 3: Cross multiply
    220,251.96x = 330,334.20 × 107,883.90
  4. Step 4: Simplify right side
    220,251.96x = 35,637,741,799.38
  5. Step 5: Solve for x
    x = 35,637,741,799.38/220,251.96
  6. Step 6: Final answer
    x = 161,804.43

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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.