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Finding the Fourth Proportional to 275,157.92, 379,798.56 and 179,679.44

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Solution

The fourth proportional to 275,157.92, 379,798.56 and 179,679.44 is: 248,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,157.92 : 379,798.56 = 179,679.44 : x
  2. Step 2: Convert to fraction form
    275,157.92/379,798.56 = 179,679.44/x
  3. Step 3: Cross multiply
    275,157.92x = 379,798.56 × 179,679.44
  4. Step 4: Simplify right side
    275,157.92x = 68,241,992,573.61
  5. Step 5: Solve for x
    x = 68,241,992,573.61/275,157.92
  6. Step 6: Final answer
    x = 248,010.28

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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.