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Finding the Fourth Proportional to 100,245.24, 150,371.52 and 33,687.60

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Solution

The fourth proportional to 100,245.24, 150,371.52 and 33,687.60 is: 50,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,245.24 : 150,371.52 = 33,687.60 : x
  2. Step 2: Convert to fraction form
    100,245.24/150,371.52 = 33,687.60/x
  3. Step 3: Cross multiply
    100,245.24x = 150,371.52 × 33,687.60
  4. Step 4: Simplify right side
    100,245.24x = 5,065,655,617.15
  5. Step 5: Solve for x
    x = 5,065,655,617.15/100,245.24
  6. Step 6: Final answer
    x = 50,532.63

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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.