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Finding the Fourth Proportional to 220,647.27, 330,983.21 and 62,863.43

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Solution

The fourth proportional to 220,647.27, 330,983.21 and 62,863.43 is: 94,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,647.27 : 330,983.21 = 62,863.43 : x
  2. Step 2: Convert to fraction form
    220,647.27/330,983.21 = 62,863.43/x
  3. Step 3: Cross multiply
    220,647.27x = 330,983.21 × 62,863.43
  4. Step 4: Simplify right side
    220,647.27x = 20,806,737,883.78
  5. Step 5: Solve for x
    x = 20,806,737,883.78/220,647.27
  6. Step 6: Final answer
    x = 94,298.64

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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.