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Finding the Fourth Proportional to 239,874, 330,718.44 and 196,694.48

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Solution

The fourth proportional to 239,874, 330,718.44 and 196,694.48 is: 271,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,874 : 330,718.44 = 196,694.48 : x
  2. Step 2: Convert to fraction form
    239,874/330,718.44 = 196,694.48/x
  3. Step 3: Cross multiply
    239,874x = 330,718.44 × 196,694.48
  4. Step 4: Simplify right side
    239,874x = 65,050,491,582.21
  5. Step 5: Solve for x
    x = 65,050,491,582.21/239,874
  6. Step 6: Final answer
    x = 271,186.09

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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.