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Finding the Fourth Proportional to 100,336.84, 150,520.82 and 33,771.78

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Solution

The fourth proportional to 100,336.84, 150,520.82 and 33,771.78 is: 50,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,336.84 : 150,520.82 = 33,771.78 : x
  2. Step 2: Convert to fraction form
    100,336.84/150,520.82 = 33,771.78/x
  3. Step 3: Cross multiply
    100,336.84x = 150,520.82 × 33,771.78
  4. Step 4: Simplify right side
    100,336.84x = 5,083,355,849.60
  5. Step 5: Solve for x
    x = 5,083,355,849.60/100,336.84
  6. Step 6: Final answer
    x = 50,662.91

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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.