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Finding the Fourth Proportional to 263,497.82, 395,247.27 and 123,354.86

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Solution

The fourth proportional to 263,497.82, 395,247.27 and 123,354.86 is: 185,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,497.82 : 395,247.27 = 123,354.86 : x
  2. Step 2: Convert to fraction form
    263,497.82/395,247.27 = 123,354.86/x
  3. Step 3: Cross multiply
    263,497.82x = 395,247.27 × 123,354.86
  4. Step 4: Simplify right side
    263,497.82x = 48,755,671,656.23
  5. Step 5: Solve for x
    x = 48,755,671,656.23/263,497.82
  6. Step 6: Final answer
    x = 185,032.54

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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.