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Finding the Fourth Proportional to 217,168.78, 325,794.09 and 82,273.26

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Solution

The fourth proportional to 217,168.78, 325,794.09 and 82,273.26 is: 123,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,168.78 : 325,794.09 = 82,273.26 : x
  2. Step 2: Convert to fraction form
    217,168.78/325,794.09 = 82,273.26/x
  3. Step 3: Cross multiply
    217,168.78x = 325,794.09 × 82,273.26
  4. Step 4: Simplify right side
    217,168.78x = 26,804,141,873.03
  5. Step 5: Solve for x
    x = 26,804,141,873.03/217,168.78
  6. Step 6: Final answer
    x = 123,425.39

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1.5x scale

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.