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Finding the Fourth Proportional to 100,392.66, 150,589.92 and 32,923.71

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Solution

The fourth proportional to 100,392.66, 150,589.92 and 32,923.71 is: 49,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,392.66 : 150,589.92 = 32,923.71 : x
  2. Step 2: Convert to fraction form
    100,392.66/150,589.92 = 32,923.71/x
  3. Step 3: Cross multiply
    100,392.66x = 150,589.92 × 32,923.71
  4. Step 4: Simplify right side
    100,392.66x = 4,957,978,855.00
  5. Step 5: Solve for x
    x = 4,957,978,855.00/100,392.66
  6. Step 6: Final answer
    x = 49,385.87

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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.