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Finding the Fourth Proportional to 150,251.68, 225,491.77 and 55,571.44

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Solution

The fourth proportional to 150,251.68, 225,491.77 and 55,571.44 is: 83,399.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,251.68 : 225,491.77 = 55,571.44 : x
  2. Step 2: Convert to fraction form
    150,251.68/225,491.77 = 55,571.44/x
  3. Step 3: Cross multiply
    150,251.68x = 225,491.77 × 55,571.44
  4. Step 4: Simplify right side
    150,251.68x = 12,530,903,086.07
  5. Step 5: Solve for x
    x = 12,530,903,086.07/150,251.68
  6. Step 6: Final answer
    x = 83,399.42

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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.