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Finding the Fourth Proportional to 303,843.25, 419,312.14 and 167,885.96

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Solution

The fourth proportional to 303,843.25, 419,312.14 and 167,885.96 is: 231,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,843.25 : 419,312.14 = 167,885.96 : x
  2. Step 2: Convert to fraction form
    303,843.25/419,312.14 = 167,885.96/x
  3. Step 3: Cross multiply
    303,843.25x = 419,312.14 × 167,885.96
  4. Step 4: Simplify right side
    303,843.25x = 70,396,621,163.55
  5. Step 5: Solve for x
    x = 70,396,621,163.55/303,843.25
  6. Step 6: Final answer
    x = 231,687.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.