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Finding the Fourth Proportional to 275,156.92, 379,797.18 and 179,678.44

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Solution

The fourth proportional to 275,156.92, 379,797.18 and 179,678.44 is: 248,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,156.92 : 379,797.18 = 179,678.44 : x
  2. Step 2: Convert to fraction form
    275,156.92/379,797.18 = 179,678.44/x
  3. Step 3: Cross multiply
    275,156.92x = 379,797.18 × 179,678.44
  4. Step 4: Simplify right side
    275,156.92x = 68,241,364,818.80
  5. Step 5: Solve for x
    x = 68,241,364,818.80/275,156.92
  6. Step 6: Final answer
    x = 248,008.90

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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.