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Finding the Fourth Proportional to 150,367.98, 225,640.71 and 55,664.64

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Solution

The fourth proportional to 150,367.98, 225,640.71 and 55,664.64 is: 83,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,367.98 : 225,640.71 = 55,664.64 : x
  2. Step 2: Convert to fraction form
    150,367.98/225,640.71 = 55,664.64/x
  3. Step 3: Cross multiply
    150,367.98x = 225,640.71 × 55,664.64
  4. Step 4: Simplify right side
    150,367.98x = 12,560,208,891.49
  5. Step 5: Solve for x
    x = 12,560,208,891.49/150,367.98
  6. Step 6: Final answer
    x = 83,529.81

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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.