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Finding the Fourth Proportional to 222,387.48, 333,584.04 and 72,626.58

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Solution

The fourth proportional to 222,387.48, 333,584.04 and 72,626.58 is: 108,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,387.48 : 333,584.04 = 72,626.58 : x
  2. Step 2: Convert to fraction form
    222,387.48/333,584.04 = 72,626.58/x
  3. Step 3: Cross multiply
    222,387.48x = 333,584.04 × 72,626.58
  4. Step 4: Simplify right side
    222,387.48x = 24,227,067,967.78
  5. Step 5: Solve for x
    x = 24,227,067,967.78/222,387.48
  6. Step 6: Final answer
    x = 108,940.79

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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.