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Finding the Fourth Proportional to 263,447.82, 395,172 and 123,304.86

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Solution

The fourth proportional to 263,447.82, 395,172 and 123,304.86 is: 184,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,447.82 : 395,172 = 123,304.86 : x
  2. Step 2: Convert to fraction form
    263,447.82/395,172 = 123,304.86/x
  3. Step 3: Cross multiply
    263,447.82x = 395,172 × 123,304.86
  4. Step 4: Simplify right side
    263,447.82x = 48,726,628,135.92
  5. Step 5: Solve for x
    x = 48,726,628,135.92/263,447.82
  6. Step 6: Final answer
    x = 184,957.42

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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.