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Finding the Fourth Proportional to 225,965.88, 339,003.54 and 68,184.72

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Solution

The fourth proportional to 225,965.88, 339,003.54 and 68,184.72 is: 102,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,965.88 : 339,003.54 = 68,184.72 : x
  2. Step 2: Convert to fraction form
    225,965.88/339,003.54 = 68,184.72/x
  3. Step 3: Cross multiply
    225,965.88x = 339,003.54 × 68,184.72
  4. Step 4: Simplify right side
    225,965.88x = 23,114,861,453.91
  5. Step 5: Solve for x
    x = 23,114,861,453.91/225,965.88
  6. Step 6: Final answer
    x = 102,293.59

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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.