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Finding the Fourth Proportional to 226,558.94, 339,816.42 and 68,788.76

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Solution

The fourth proportional to 226,558.94, 339,816.42 and 68,788.76 is: 103,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,558.94 : 339,816.42 = 68,788.76 : x
  2. Step 2: Convert to fraction form
    226,558.94/339,816.42 = 68,788.76/x
  3. Step 3: Cross multiply
    226,558.94x = 339,816.42 × 68,788.76
  4. Step 4: Simplify right side
    226,558.94x = 23,375,548,460.36
  5. Step 5: Solve for x
    x = 23,375,548,460.36/226,558.94
  6. Step 6: Final answer
    x = 103,176.46

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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.