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Finding the Fourth Proportional to 203,481.80, 305,222.70 and 150,337.70

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Solution

The fourth proportional to 203,481.80, 305,222.70 and 150,337.70 is: 225,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,481.80 : 305,222.70 = 150,337.70 : x
  2. Step 2: Convert to fraction form
    203,481.80/305,222.70 = 150,337.70/x
  3. Step 3: Cross multiply
    203,481.80x = 305,222.70 × 150,337.70
  4. Step 4: Simplify right side
    203,481.80x = 45,886,478,705.79
  5. Step 5: Solve for x
    x = 45,886,478,705.79/203,481.80
  6. Step 6: Final answer
    x = 225,506.55

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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.