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Finding the Fourth Proportional to 79,268.87, 118,918.34 and 41,793.53

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Solution

The fourth proportional to 79,268.87, 118,918.34 and 41,793.53 is: 62,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,268.87 : 118,918.34 = 41,793.53 : x
  2. Step 2: Convert to fraction form
    79,268.87/118,918.34 = 41,793.53/x
  3. Step 3: Cross multiply
    79,268.87x = 118,918.34 × 41,793.53
  4. Step 4: Simplify right side
    79,268.87x = 4,970,016,406.78
  5. Step 5: Solve for x
    x = 4,970,016,406.78/79,268.87
  6. Step 6: Final answer
    x = 62,698.22

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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.