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Finding the Fourth Proportional to 100,329.72, 150,400.38 and 33,723.27

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Solution

The fourth proportional to 100,329.72, 150,400.38 and 33,723.27 is: 50,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,329.72 : 150,400.38 = 33,723.27 : x
  2. Step 2: Convert to fraction form
    100,329.72/150,400.38 = 33,723.27/x
  3. Step 3: Cross multiply
    100,329.72x = 150,400.38 × 33,723.27
  4. Step 4: Simplify right side
    100,329.72x = 5,071,992,559.61
  5. Step 5: Solve for x
    x = 5,071,992,559.61/100,329.72
  6. Step 6: Final answer
    x = 50,553.24

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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.