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Finding the Fourth Proportional to 250,893.92, 376,517.28 and 117,778.52

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Solution

The fourth proportional to 250,893.92, 376,517.28 and 117,778.52 is: 176,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,893.92 : 376,517.28 = 117,778.52 : x
  2. Step 2: Convert to fraction form
    250,893.92/376,517.28 = 117,778.52/x
  3. Step 3: Cross multiply
    250,893.92x = 376,517.28 × 117,778.52
  4. Step 4: Simplify right side
    250,893.92x = 44,345,647,992.83
  5. Step 5: Solve for x
    x = 44,345,647,992.83/250,893.92
  6. Step 6: Final answer
    x = 176,750.59

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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.