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Finding the Fourth Proportional to 217,882.82, 326,843.07 and 60,111.27

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Solution

The fourth proportional to 217,882.82, 326,843.07 and 60,111.27 is: 90,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,882.82 : 326,843.07 = 60,111.27 : x
  2. Step 2: Convert to fraction form
    217,882.82/326,843.07 = 60,111.27/x
  3. Step 3: Cross multiply
    217,882.82x = 326,843.07 × 60,111.27
  4. Step 4: Simplify right side
    217,882.82x = 19,646,951,727.84
  5. Step 5: Solve for x
    x = 19,646,951,727.84/217,882.82
  6. Step 6: Final answer
    x = 90,172.10

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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.