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Finding the Fourth Proportional to 119,796.93, 165,310.07 and 68,793.39

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Solution

The fourth proportional to 119,796.93, 165,310.07 and 68,793.39 is: 94,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,796.93 : 165,310.07 = 68,793.39 : x
  2. Step 2: Convert to fraction form
    119,796.93/165,310.07 = 68,793.39/x
  3. Step 3: Cross multiply
    119,796.93x = 165,310.07 × 68,793.39
  4. Step 4: Simplify right side
    119,796.93x = 11,372,239,772.47
  5. Step 5: Solve for x
    x = 11,372,239,772.47/119,796.93
  6. Step 6: Final answer
    x = 94,929.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.