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Finding the Fourth Proportional to 194,912.84, 268,976.82 and 108,873.02

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Solution

The fourth proportional to 194,912.84, 268,976.82 and 108,873.02 is: 150,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,912.84 : 268,976.82 = 108,873.02 : x
  2. Step 2: Convert to fraction form
    194,912.84/268,976.82 = 108,873.02/x
  3. Step 3: Cross multiply
    194,912.84x = 268,976.82 × 108,873.02
  4. Step 4: Simplify right side
    194,912.84x = 29,284,319,375.84
  5. Step 5: Solve for x
    x = 29,284,319,375.84/194,912.84
  6. Step 6: Final answer
    x = 150,243.15

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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.