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Finding the Fourth Proportional to 223,791.40, 335,608.86 and 65,977.96

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Solution

The fourth proportional to 223,791.40, 335,608.86 and 65,977.96 is: 98,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,791.40 : 335,608.86 = 65,977.96 : x
  2. Step 2: Convert to fraction form
    223,791.40/335,608.86 = 65,977.96/x
  3. Step 3: Cross multiply
    223,791.40x = 335,608.86 × 65,977.96
  4. Step 4: Simplify right side
    223,791.40x = 22,142,787,940.73
  5. Step 5: Solve for x
    x = 22,142,787,940.73/223,791.40
  6. Step 6: Final answer
    x = 98,943.87

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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.