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Finding the Fourth Proportional to 193,672.49, 290,555.57 and 67,294.41

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Solution

The fourth proportional to 193,672.49, 290,555.57 and 67,294.41 is: 100,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,672.49 : 290,555.57 = 67,294.41 : x
  2. Step 2: Convert to fraction form
    193,672.49/290,555.57 = 67,294.41/x
  3. Step 3: Cross multiply
    193,672.49x = 290,555.57 × 67,294.41
  4. Step 4: Simplify right side
    193,672.49x = 19,552,764,734.02
  5. Step 5: Solve for x
    x = 19,552,764,734.02/193,672.49
  6. Step 6: Final answer
    x = 100,957.89

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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.