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Finding the Fourth Proportional to 331,219.85, 496,760.10 and 106,600.37

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Solution

The fourth proportional to 331,219.85, 496,760.10 and 106,600.37 is: 159,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,219.85 : 496,760.10 = 106,600.37 : x
  2. Step 2: Convert to fraction form
    331,219.85/496,760.10 = 106,600.37/x
  3. Step 3: Cross multiply
    331,219.85x = 496,760.10 × 106,600.37
  4. Step 4: Simplify right side
    331,219.85x = 52,954,807,977.44
  5. Step 5: Solve for x
    x = 52,954,807,977.44/331,219.85
  6. Step 6: Final answer
    x = 159,878.13

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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.