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Finding the Fourth Proportional to 267,366, 368,965.08 and 159,940.56

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Solution

The fourth proportional to 267,366, 368,965.08 and 159,940.56 is: 220,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,366 : 368,965.08 = 159,940.56 : x
  2. Step 2: Convert to fraction form
    267,366/368,965.08 = 159,940.56/x
  3. Step 3: Cross multiply
    267,366x = 368,965.08 × 159,940.56
  4. Step 4: Simplify right side
    267,366x = 59,012,481,515.64
  5. Step 5: Solve for x
    x = 59,012,481,515.64/267,366
  6. Step 6: Final answer
    x = 220,717.97

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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.