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Finding the Fourth Proportional to 226,843, 313,043.52 and 131,354.80

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Solution

The fourth proportional to 226,843, 313,043.52 and 131,354.80 is: 181,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,843 : 313,043.52 = 131,354.80 : x
  2. Step 2: Convert to fraction form
    226,843/313,043.52 = 131,354.80/x
  3. Step 3: Cross multiply
    226,843x = 313,043.52 × 131,354.80
  4. Step 4: Simplify right side
    226,843x = 41,119,768,960.90
  5. Step 5: Solve for x
    x = 41,119,768,960.90/226,843
  6. Step 6: Final answer
    x = 181,269.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.