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Finding the Fourth Proportional to 95,268.60, 131,721.30 and 83,458.80

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Solution

The fourth proportional to 95,268.60, 131,721.30 and 83,458.80 is: 115,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,268.60 : 131,721.30 = 83,458.80 : x
  2. Step 2: Convert to fraction form
    95,268.60/131,721.30 = 83,458.80/x
  3. Step 3: Cross multiply
    95,268.60x = 131,721.30 × 83,458.80
  4. Step 4: Simplify right side
    95,268.60x = 10,993,301,632.44
  5. Step 5: Solve for x
    x = 10,993,301,632.44/95,268.60
  6. Step 6: Final answer
    x = 115,392.71

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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.