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Finding the Fourth Proportional to 263,662.70, 395,413.25 and 95,162.45

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Solution

The fourth proportional to 263,662.70, 395,413.25 and 95,162.45 is: 142,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,662.70 : 395,413.25 = 95,162.45 : x
  2. Step 2: Convert to fraction form
    263,662.70/395,413.25 = 95,162.45/x
  3. Step 3: Cross multiply
    263,662.70x = 395,413.25 × 95,162.45
  4. Step 4: Simplify right side
    263,662.70x = 37,628,491,179.58
  5. Step 5: Solve for x
    x = 37,628,491,179.58/263,662.70
  6. Step 6: Final answer
    x = 142,714.51

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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.