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Finding the Fourth Proportional to 222,115.80, 333,392.40 and 109,922.70

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Solution

The fourth proportional to 222,115.80, 333,392.40 and 109,922.70 is: 164,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,115.80 : 333,392.40 = 109,922.70 : x
  2. Step 2: Convert to fraction form
    222,115.80/333,392.40 = 109,922.70/x
  3. Step 3: Cross multiply
    222,115.80x = 333,392.40 × 109,922.70
  4. Step 4: Simplify right side
    222,115.80x = 36,647,392,767.48
  5. Step 5: Solve for x
    x = 36,647,392,767.48/222,115.80
  6. Step 6: Final answer
    x = 164,992.28

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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.