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Finding the Fourth Proportional to 195,879.80, 270,310.26 and 114,223.28

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Solution

The fourth proportional to 195,879.80, 270,310.26 and 114,223.28 is: 157,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,879.80 : 270,310.26 = 114,223.28 : x
  2. Step 2: Convert to fraction form
    195,879.80/270,310.26 = 114,223.28/x
  3. Step 3: Cross multiply
    195,879.80x = 270,310.26 × 114,223.28
  4. Step 4: Simplify right side
    195,879.80x = 30,875,724,514.85
  5. Step 5: Solve for x
    x = 30,875,724,514.85/195,879.80
  6. Step 6: Final answer
    x = 157,625.87

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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.