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Finding the Fourth Proportional to 299,769.57, 449,635.83 and 100,073.25

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Solution

The fourth proportional to 299,769.57, 449,635.83 and 100,073.25 is: 150,103.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,769.57 : 449,635.83 = 100,073.25 : x
  2. Step 2: Convert to fraction form
    299,769.57/449,635.83 = 100,073.25/x
  3. Step 3: Cross multiply
    299,769.57x = 449,635.83 × 100,073.25
  4. Step 4: Simplify right side
    299,769.57x = 44,996,518,824.55
  5. Step 5: Solve for x
    x = 44,996,518,824.55/299,769.57
  6. Step 6: Final answer
    x = 150,103.69

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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.