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Finding the Fourth Proportional to 148,183, 204,490.89 and 80,198.44

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Solution

The fourth proportional to 148,183, 204,490.89 and 80,198.44 is: 110,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,183 : 204,490.89 = 80,198.44 : x
  2. Step 2: Convert to fraction form
    148,183/204,490.89 = 80,198.44/x
  3. Step 3: Cross multiply
    148,183x = 204,490.89 × 80,198.44
  4. Step 4: Simplify right side
    148,183x = 16,399,850,372.21
  5. Step 5: Solve for x
    x = 16,399,850,372.21/148,183
  6. Step 6: Final answer
    x = 110,672.95

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1.5x scale

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.