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Finding the Fourth Proportional to 193,674.49, 290,558.57 and 67,296.41

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Solution

The fourth proportional to 193,674.49, 290,558.57 and 67,296.41 is: 100,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,674.49 : 290,558.57 = 67,296.41 : x
  2. Step 2: Convert to fraction form
    193,674.49/290,558.57 = 67,296.41/x
  3. Step 3: Cross multiply
    193,674.49x = 290,558.57 × 67,296.41
  4. Step 4: Simplify right side
    193,674.49x = 19,553,548,655.73
  5. Step 5: Solve for x
    x = 19,553,548,655.73/193,674.49
  6. Step 6: Final answer
    x = 100,960.89

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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.