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Finding the Fourth Proportional to 235,879.25, 325,517.24 and 133,907.72

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Solution

The fourth proportional to 235,879.25, 325,517.24 and 133,907.72 is: 184,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,879.25 : 325,517.24 = 133,907.72 : x
  2. Step 2: Convert to fraction form
    235,879.25/325,517.24 = 133,907.72/x
  3. Step 3: Cross multiply
    235,879.25x = 325,517.24 × 133,907.72
  4. Step 4: Simplify right side
    235,879.25x = 43,589,269,131.97
  5. Step 5: Solve for x
    x = 43,589,269,131.97/235,879.25
  6. Step 6: Final answer
    x = 184,794.85

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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.