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Finding the Fourth Proportional to 226,758.88, 340,187.46 and 68,983.18

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Solution

The fourth proportional to 226,758.88, 340,187.46 and 68,983.18 is: 103,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,758.88 : 340,187.46 = 68,983.18 : x
  2. Step 2: Convert to fraction form
    226,758.88/340,187.46 = 68,983.18/x
  3. Step 3: Cross multiply
    226,758.88x = 340,187.46 × 68,983.18
  4. Step 4: Simplify right side
    226,758.88x = 23,467,212,786.92
  5. Step 5: Solve for x
    x = 23,467,212,786.92/226,758.88
  6. Step 6: Final answer
    x = 103,489.72

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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.