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Finding the Fourth Proportional to 226,843.65, 340,249.07 and 108,483.21

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Solution

The fourth proportional to 226,843.65, 340,249.07 and 108,483.21 is: 162,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,843.65 : 340,249.07 = 108,483.21 : x
  2. Step 2: Convert to fraction form
    226,843.65/340,249.07 = 108,483.21/x
  3. Step 3: Cross multiply
    226,843.65x = 340,249.07 × 108,483.21
  4. Step 4: Simplify right side
    226,843.65x = 36,911,311,313.11
  5. Step 5: Solve for x
    x = 36,911,311,313.11/226,843.65
  6. Step 6: Final answer
    x = 162,716.97

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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.