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Finding the Fourth Proportional to 150,512.40, 225,761.40 and 50,662.80

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Solution

The fourth proportional to 150,512.40, 225,761.40 and 50,662.80 is: 75,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,512.40 : 225,761.40 = 50,662.80 : x
  2. Step 2: Convert to fraction form
    150,512.40/225,761.40 = 50,662.80/x
  3. Step 3: Cross multiply
    150,512.40x = 225,761.40 × 50,662.80
  4. Step 4: Simplify right side
    150,512.40x = 11,437,704,655.92
  5. Step 5: Solve for x
    x = 11,437,704,655.92/150,512.40
  6. Step 6: Final answer
    x = 75,991.78

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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.