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Finding the Fourth Proportional to 100,399.44, 150,599.69 and 33,840.15

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Solution

The fourth proportional to 100,399.44, 150,599.69 and 33,840.15 is: 50,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,399.44 : 150,599.69 = 33,840.15 : x
  2. Step 2: Convert to fraction form
    100,399.44/150,599.69 = 33,840.15/x
  3. Step 3: Cross multiply
    100,399.44x = 150,599.69 × 33,840.15
  4. Step 4: Simplify right side
    100,399.44x = 5,096,315,930.35
  5. Step 5: Solve for x
    x = 5,096,315,930.35/100,399.44
  6. Step 6: Final answer
    x = 50,760.40

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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.