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Finding the Fourth Proportional to 321,846.68, 444,103.08 and 192,754.90

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Solution

The fourth proportional to 321,846.68, 444,103.08 and 192,754.90 is: 265,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,846.68 : 444,103.08 = 192,754.90 : x
  2. Step 2: Convert to fraction form
    321,846.68/444,103.08 = 192,754.90/x
  3. Step 3: Cross multiply
    321,846.68x = 444,103.08 × 192,754.90
  4. Step 4: Simplify right side
    321,846.68x = 85,603,043,811.32
  5. Step 5: Solve for x
    x = 85,603,043,811.32/321,846.68
  6. Step 6: Final answer
    x = 265,974.61

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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.