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Finding the Fourth Proportional to 226,579, 339,846.42 and 68,808.82

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Solution

The fourth proportional to 226,579, 339,846.42 and 68,808.82 is: 103,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,579 : 339,846.42 = 68,808.82 : x
  2. Step 2: Convert to fraction form
    226,579/339,846.42 = 68,808.82/x
  3. Step 3: Cross multiply
    226,579x = 339,846.42 × 68,808.82
  4. Step 4: Simplify right side
    226,579x = 23,384,431,141.42
  5. Step 5: Solve for x
    x = 23,384,431,141.42/226,579
  6. Step 6: Final answer
    x = 103,206.52

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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.