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Finding the Fourth Proportional to 222,100.80, 333,369.90 and 109,907.70

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Solution

The fourth proportional to 222,100.80, 333,369.90 and 109,907.70 is: 164,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,100.80 : 333,369.90 = 109,907.70 : x
  2. Step 2: Convert to fraction form
    222,100.80/333,369.90 = 109,907.70/x
  3. Step 3: Cross multiply
    222,100.80x = 333,369.90 × 109,907.70
  4. Step 4: Simplify right side
    222,100.80x = 36,639,918,958.23
  5. Step 5: Solve for x
    x = 36,639,918,958.23/222,100.80
  6. Step 6: Final answer
    x = 164,969.77

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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.