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Finding the Fourth Proportional to 226,992.96, 340,488.52 and 69,220.95

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Solution

The fourth proportional to 226,992.96, 340,488.52 and 69,220.95 is: 103,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,992.96 : 340,488.52 = 69,220.95 : x
  2. Step 2: Convert to fraction form
    226,992.96/340,488.52 = 69,220.95/x
  3. Step 3: Cross multiply
    226,992.96x = 340,488.52 × 69,220.95
  4. Step 4: Simplify right side
    226,992.96x = 23,568,940,181.85
  5. Step 5: Solve for x
    x = 23,568,940,181.85/226,992.96
  6. Step 6: Final answer
    x = 103,831.15

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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.