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Finding the Fourth Proportional to 275,155.92, 379,795.80 and 179,677.44

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Solution

The fourth proportional to 275,155.92, 379,795.80 and 179,677.44 is: 248,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,155.92 : 379,795.80 = 179,677.44 : x
  2. Step 2: Convert to fraction form
    275,155.92/379,795.80 = 179,677.44/x
  3. Step 3: Cross multiply
    275,155.92x = 379,795.80 × 179,677.44
  4. Step 4: Simplify right side
    275,155.92x = 68,240,737,066.75
  5. Step 5: Solve for x
    x = 68,240,737,066.75/275,155.92
  6. Step 6: Final answer
    x = 248,007.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.