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Finding the Fourth Proportional to 303,692.05, 419,098.17 and 167,729.41

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Solution

The fourth proportional to 303,692.05, 419,098.17 and 167,729.41 is: 231,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,692.05 : 419,098.17 = 167,729.41 : x
  2. Step 2: Convert to fraction form
    303,692.05/419,098.17 = 167,729.41/x
  3. Step 3: Cross multiply
    303,692.05x = 419,098.17 × 167,729.41
  4. Step 4: Simplify right side
    303,692.05x = 70,295,088,786.18
  5. Step 5: Solve for x
    x = 70,295,088,786.18/303,692.05
  6. Step 6: Final answer
    x = 231,468.32

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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.