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Finding the Fourth Proportional to 263,832.86, 395,743.74 and 64,154.28

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Solution

The fourth proportional to 263,832.86, 395,743.74 and 64,154.28 is: 96,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,832.86 : 395,743.74 = 64,154.28 : x
  2. Step 2: Convert to fraction form
    263,832.86/395,743.74 = 64,154.28/x
  3. Step 3: Cross multiply
    263,832.86x = 395,743.74 × 64,154.28
  4. Step 4: Simplify right side
    263,832.86x = 25,388,654,704.21
  5. Step 5: Solve for x
    x = 25,388,654,704.21/263,832.86
  6. Step 6: Final answer
    x = 96,230.07

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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.