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Finding the Fourth Proportional to 226,993.96, 340,490.02 and 69,221.95

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Solution

The fourth proportional to 226,993.96, 340,490.02 and 69,221.95 is: 103,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,993.96 : 340,490.02 = 69,221.95 : x
  2. Step 2: Convert to fraction form
    226,993.96/340,490.02 = 69,221.95/x
  3. Step 3: Cross multiply
    226,993.96x = 340,490.02 × 69,221.95
  4. Step 4: Simplify right side
    226,993.96x = 23,569,383,139.94
  5. Step 5: Solve for x
    x = 23,569,383,139.94/226,993.96
  6. Step 6: Final answer
    x = 103,832.64

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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.