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Finding the Fourth Proportional to 100,331.42, 150,512.69 and 33,766.37

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Solution

The fourth proportional to 100,331.42, 150,512.69 and 33,766.37 is: 50,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,331.42 : 150,512.69 = 33,766.37 : x
  2. Step 2: Convert to fraction form
    100,331.42/150,512.69 = 33,766.37/x
  3. Step 3: Cross multiply
    100,331.42x = 150,512.69 × 33,766.37
  4. Step 4: Simplify right side
    100,331.42x = 5,082,266,258.84
  5. Step 5: Solve for x
    x = 5,082,266,258.84/100,331.42
  6. Step 6: Final answer
    x = 50,654.78

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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.