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Finding the Fourth Proportional to 223,104.05, 334,789.05 and 80,960.42

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Solution

The fourth proportional to 223,104.05, 334,789.05 and 80,960.42 is: 121,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,104.05 : 334,789.05 = 80,960.42 : x
  2. Step 2: Convert to fraction form
    223,104.05/334,789.05 = 80,960.42/x
  3. Step 3: Cross multiply
    223,104.05x = 334,789.05 × 80,960.42
  4. Step 4: Simplify right side
    223,104.05x = 27,104,662,936.37
  5. Step 5: Solve for x
    x = 27,104,662,936.37/223,104.05
  6. Step 6: Final answer
    x = 121,488.89

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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.