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Finding the Fourth Proportional to 226,323.91, 339,559.62 and 107,979.94

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Solution

The fourth proportional to 226,323.91, 339,559.62 and 107,979.94 is: 162,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,323.91 : 339,559.62 = 107,979.94 : x
  2. Step 2: Convert to fraction form
    226,323.91/339,559.62 = 107,979.94/x
  3. Step 3: Cross multiply
    226,323.91x = 339,559.62 × 107,979.94
  4. Step 4: Simplify right side
    226,323.91x = 36,665,627,394.02
  5. Step 5: Solve for x
    x = 36,665,627,394.02/226,323.91
  6. Step 6: Final answer
    x = 162,005.10

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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.