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Finding the Fourth Proportional to 150,529.20, 225,793.80 and 75,879.60

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Solution

The fourth proportional to 150,529.20, 225,793.80 and 75,879.60 is: 113,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,529.20 : 225,793.80 = 75,879.60 : x
  2. Step 2: Convert to fraction form
    150,529.20/225,793.80 = 75,879.60/x
  3. Step 3: Cross multiply
    150,529.20x = 225,793.80 × 75,879.60
  4. Step 4: Simplify right side
    150,529.20x = 17,133,143,226.48
  5. Step 5: Solve for x
    x = 17,133,143,226.48/150,529.20
  6. Step 6: Final answer
    x = 113,819.40

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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.