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Finding the Fourth Proportional to 100,519.59, 150,780.03 and 33,960.09

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Solution

The fourth proportional to 100,519.59, 150,780.03 and 33,960.09 is: 50,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,519.59 : 150,780.03 = 33,960.09 : x
  2. Step 2: Convert to fraction form
    100,519.59/150,780.03 = 33,960.09/x
  3. Step 3: Cross multiply
    100,519.59x = 150,780.03 × 33,960.09
  4. Step 4: Simplify right side
    100,519.59x = 5,120,503,389.00
  5. Step 5: Solve for x
    x = 5,120,503,389.00/100,519.59
  6. Step 6: Final answer
    x = 50,940.35

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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.