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Finding the Fourth Proportional to 203,974.20, 305,669.70 and 150,246.90

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Solution

The fourth proportional to 203,974.20, 305,669.70 and 150,246.90 is: 225,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,974.20 : 305,669.70 = 150,246.90 : x
  2. Step 2: Convert to fraction form
    203,974.20/305,669.70 = 150,246.90/x
  3. Step 3: Cross multiply
    203,974.20x = 305,669.70 × 150,246.90
  4. Step 4: Simplify right side
    203,974.20x = 45,925,924,848.93
  5. Step 5: Solve for x
    x = 45,925,924,848.93/203,974.20
  6. Step 6: Final answer
    x = 225,155.56

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1.5x scale

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.