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Finding the Fourth Proportional to 203,245.62, 304,902.63 and 75,169.41

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Solution

The fourth proportional to 203,245.62, 304,902.63 and 75,169.41 is: 112,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,245.62 : 304,902.63 = 75,169.41 : x
  2. Step 2: Convert to fraction form
    203,245.62/304,902.63 = 75,169.41/x
  3. Step 3: Cross multiply
    203,245.62x = 304,902.63 × 75,169.41
  4. Step 4: Simplify right side
    203,245.62x = 22,919,350,804.55
  5. Step 5: Solve for x
    x = 22,919,350,804.55/203,245.62
  6. Step 6: Final answer
    x = 112,766.76

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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.