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Finding the Fourth Proportional to 263,794.52, 395,686.38 and 64,115.96

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Solution

The fourth proportional to 263,794.52, 395,686.38 and 64,115.96 is: 96,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,794.52 : 395,686.38 = 64,115.96 : x
  2. Step 2: Convert to fraction form
    263,794.52/395,686.38 = 64,115.96/x
  3. Step 3: Cross multiply
    263,794.52x = 395,686.38 × 64,115.96
  4. Step 4: Simplify right side
    263,794.52x = 25,369,812,112.62
  5. Step 5: Solve for x
    x = 25,369,812,112.62/263,794.52
  6. Step 6: Final answer
    x = 96,172.63

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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.