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Finding the Fourth Proportional to 275,089.24, 379,788.78 and 179,755.48

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Solution

The fourth proportional to 275,089.24, 379,788.78 and 179,755.48 is: 248,170.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,089.24 : 379,788.78 = 179,755.48 : x
  2. Step 2: Convert to fraction form
    275,089.24/379,788.78 = 179,755.48/x
  3. Step 3: Cross multiply
    275,089.24x = 379,788.78 × 179,755.48
  4. Step 4: Simplify right side
    275,089.24x = 68,269,114,447.51
  5. Step 5: Solve for x
    x = 68,269,114,447.51/275,089.24
  6. Step 6: Final answer
    x = 248,170.79

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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.