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Finding the Fourth Proportional to 100,230.80, 150,340.88 and 33,671.44

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Solution

The fourth proportional to 100,230.80, 150,340.88 and 33,671.44 is: 50,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,230.80 : 150,340.88 = 33,671.44 : x
  2. Step 2: Convert to fraction form
    100,230.80/150,340.88 = 33,671.44/x
  3. Step 3: Cross multiply
    100,230.80x = 150,340.88 × 33,671.44
  4. Step 4: Simplify right side
    100,230.80x = 5,062,193,920.47
  5. Step 5: Solve for x
    x = 5,062,193,920.47/100,230.80
  6. Step 6: Final answer
    x = 50,505.37

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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.