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Finding the Fourth Proportional to 222,392.27, 333,553.04 and 72,631.30

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Solution

The fourth proportional to 222,392.27, 333,553.04 and 72,631.30 is: 108,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,392.27 : 333,553.04 = 72,631.30 : x
  2. Step 2: Convert to fraction form
    222,392.27/333,553.04 = 72,631.30/x
  3. Step 3: Cross multiply
    222,392.27x = 333,553.04 × 72,631.30
  4. Step 4: Simplify right side
    222,392.27x = 24,226,389,207.72
  5. Step 5: Solve for x
    x = 24,226,389,207.72/222,392.27
  6. Step 6: Final answer
    x = 108,935.39

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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.