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Finding the Fourth Proportional to 194,161.91, 267,942.89 and 109,278.98

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Solution

The fourth proportional to 194,161.91, 267,942.89 and 109,278.98 is: 150,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,161.91 : 267,942.89 = 109,278.98 : x
  2. Step 2: Convert to fraction form
    194,161.91/267,942.89 = 109,278.98/x
  3. Step 3: Cross multiply
    194,161.91x = 267,942.89 × 109,278.98
  4. Step 4: Simplify right side
    194,161.91x = 29,280,524,650.94
  5. Step 5: Solve for x
    x = 29,280,524,650.94/194,161.91
  6. Step 6: Final answer
    x = 150,804.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.