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Finding the Fourth Proportional to 226,249.98, 339,431.01 and 68,478.87

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Solution

The fourth proportional to 226,249.98, 339,431.01 and 68,478.87 is: 102,735.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,249.98 : 339,431.01 = 68,478.87 : x
  2. Step 2: Convert to fraction form
    226,249.98/339,431.01 = 68,478.87/x
  3. Step 3: Cross multiply
    226,249.98x = 339,431.01 × 68,478.87
  4. Step 4: Simplify right side
    226,249.98x = 23,243,852,007.76
  5. Step 5: Solve for x
    x = 23,243,852,007.76/226,249.98
  6. Step 6: Final answer
    x = 102,735.27

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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.