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Finding the Fourth Proportional to 95,249.70, 142,845.38 and 65,856.42

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Solution

The fourth proportional to 95,249.70, 142,845.38 and 65,856.42 is: 98,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,249.70 : 142,845.38 = 65,856.42 : x
  2. Step 2: Convert to fraction form
    95,249.70/142,845.38 = 65,856.42/x
  3. Step 3: Cross multiply
    95,249.70x = 142,845.38 × 65,856.42
  4. Step 4: Simplify right side
    95,249.70x = 9,407,285,340.34
  5. Step 5: Solve for x
    x = 9,407,285,340.34/95,249.70
  6. Step 6: Final answer
    x = 98,764.46

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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.