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Finding the Fourth Proportional to 226,622, 339,940.20 and 68,851.82

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Solution

The fourth proportional to 226,622, 339,940.20 and 68,851.82 is: 103,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,622 : 339,940.20 = 68,851.82 : x
  2. Step 2: Convert to fraction form
    226,622/339,940.20 = 68,851.82/x
  3. Step 3: Cross multiply
    226,622x = 339,940.20 × 68,851.82
  4. Step 4: Simplify right side
    226,622x = 23,405,501,461.16
  5. Step 5: Solve for x
    x = 23,405,501,461.16/226,622
  6. Step 6: Final answer
    x = 103,279.92

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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.