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Finding the Fourth Proportional to 100,402.45, 150,604.17 and 33,843.15

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Solution

The fourth proportional to 100,402.45, 150,604.17 and 33,843.15 is: 50,764.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,402.45 : 150,604.17 = 33,843.15 : x
  2. Step 2: Convert to fraction form
    100,402.45/150,604.17 = 33,843.15/x
  3. Step 3: Cross multiply
    100,402.45x = 150,604.17 × 33,843.15
  4. Step 4: Simplify right side
    100,402.45x = 5,096,919,515.94
  5. Step 5: Solve for x
    x = 5,096,919,515.94/100,402.45
  6. Step 6: Final answer
    x = 50,764.89

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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.