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Finding the Fourth Proportional to 223,107.05, 334,793.54 and 80,963.42

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Solution

The fourth proportional to 223,107.05, 334,793.54 and 80,963.42 is: 121,493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,107.05 : 334,793.54 = 80,963.42 : x
  2. Step 2: Convert to fraction form
    223,107.05/334,793.54 = 80,963.42/x
  3. Step 3: Cross multiply
    223,107.05x = 334,793.54 × 80,963.42
  4. Step 4: Simplify right side
    223,107.05x = 27,106,029,776.22
  5. Step 5: Solve for x
    x = 27,106,029,776.22/223,107.05
  6. Step 6: Final answer
    x = 121,493.38

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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.