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Finding the Fourth Proportional to 220,908, 331,362 and 54,696

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Solution

The fourth proportional to 220,908, 331,362 and 54,696 is: 82,044

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,908 : 331,362 = 54,696 : x
  2. Step 2: Convert to fraction form
    220,908/331,362 = 54,696/x
  3. Step 3: Cross multiply
    220,908x = 331,362 × 54,696
  4. Step 4: Simplify right side
    220,908x = 18,124,175,952
  5. Step 5: Solve for x
    x = 18,124,175,952/220,908
  6. Step 6: Final answer
    x = 82,044

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.