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Finding the Fourth Proportional to 140,363.67, 193,567.99 and 91,893.27

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Solution

The fourth proportional to 140,363.67, 193,567.99 and 91,893.27 is: 126,725.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,363.67 : 193,567.99 = 91,893.27 : x
  2. Step 2: Convert to fraction form
    140,363.67/193,567.99 = 91,893.27/x
  3. Step 3: Cross multiply
    140,363.67x = 193,567.99 × 91,893.27
  4. Step 4: Simplify right side
    140,363.67x = 17,787,595,568.43
  5. Step 5: Solve for x
    x = 17,787,595,568.43/140,363.67
  6. Step 6: Final answer
    x = 126,725.07

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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.