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Finding the Fourth Proportional to 226,699.86, 340,027.92 and 68,929.68

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Solution

The fourth proportional to 226,699.86, 340,027.92 and 68,929.68 is: 103,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,699.86 : 340,027.92 = 68,929.68 : x
  2. Step 2: Convert to fraction form
    226,699.86/340,027.92 = 68,929.68/x
  3. Step 3: Cross multiply
    226,699.86x = 340,027.92 × 68,929.68
  4. Step 4: Simplify right side
    226,699.86x = 23,438,015,716.67
  5. Step 5: Solve for x
    x = 23,438,015,716.67/226,699.86
  6. Step 6: Final answer
    x = 103,387.87

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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.