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Finding the Fourth Proportional to 277,443.87, 382,843.20 and 161,134.62

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Solution

The fourth proportional to 277,443.87, 382,843.20 and 161,134.62 is: 222,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,443.87 : 382,843.20 = 161,134.62 : x
  2. Step 2: Convert to fraction form
    277,443.87/382,843.20 = 161,134.62/x
  3. Step 3: Cross multiply
    277,443.87x = 382,843.20 × 161,134.62
  4. Step 4: Simplify right side
    277,443.87x = 61,689,293,551.58
  5. Step 5: Solve for x
    x = 61,689,293,551.58/277,443.87
  6. Step 6: Final answer
    x = 222,348.74

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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.