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Finding the Fourth Proportional to 259,481.36, 358,083.24 and 140,249.36

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Solution

The fourth proportional to 259,481.36, 358,083.24 and 140,249.36 is: 193,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,481.36 : 358,083.24 = 140,249.36 : x
  2. Step 2: Convert to fraction form
    259,481.36/358,083.24 = 140,249.36/x
  3. Step 3: Cross multiply
    259,481.36x = 358,083.24 × 140,249.36
  4. Step 4: Simplify right side
    259,481.36x = 50,220,945,236.73
  5. Step 5: Solve for x
    x = 50,220,945,236.73/259,481.36
  6. Step 6: Final answer
    x = 193,543.56

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1.5x scale

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.