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Finding the Fourth Proportional to 341,197.92, 511,796.82 and 91,879.92

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Solution

The fourth proportional to 341,197.92, 511,796.82 and 91,879.92 is: 137,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,197.92 : 511,796.82 = 91,879.92 : x
  2. Step 2: Convert to fraction form
    341,197.92/511,796.82 = 91,879.92/x
  3. Step 3: Cross multiply
    341,197.92x = 511,796.82 × 91,879.92
  4. Step 4: Simplify right side
    341,197.92x = 47,023,850,877.85
  5. Step 5: Solve for x
    x = 47,023,850,877.85/341,197.92
  6. Step 6: Final answer
    x = 137,819.86

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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.