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Finding the Fourth Proportional to 330,879.52, 496,166.32 and 106,198.56

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Solution

The fourth proportional to 330,879.52, 496,166.32 and 106,198.56 is: 159,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,879.52 : 496,166.32 = 106,198.56 : x
  2. Step 2: Convert to fraction form
    330,879.52/496,166.32 = 106,198.56/x
  3. Step 3: Cross multiply
    330,879.52x = 496,166.32 × 106,198.56
  4. Step 4: Simplify right side
    330,879.52x = 52,692,148,704.50
  5. Step 5: Solve for x
    x = 52,692,148,704.50/330,879.52
  6. Step 6: Final answer
    x = 159,248.75

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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.