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Finding the Fourth Proportional to 226,121.86, 338,866.03 and 169,926.09

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Solution

The fourth proportional to 226,121.86, 338,866.03 and 169,926.09 is: 254,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,121.86 : 338,866.03 = 169,926.09 : x
  2. Step 2: Convert to fraction form
    226,121.86/338,866.03 = 169,926.09/x
  3. Step 3: Cross multiply
    226,121.86x = 338,866.03 × 169,926.09
  4. Step 4: Simplify right side
    226,121.86x = 57,582,179,511.72
  5. Step 5: Solve for x
    x = 57,582,179,511.72/226,121.86
  6. Step 6: Final answer
    x = 254,651.10

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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.