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Finding the Fourth Proportional to 193,660.91, 290,491.15 and 67,301.17

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Solution

The fourth proportional to 193,660.91, 290,491.15 and 67,301.17 is: 100,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,660.91 : 290,491.15 = 67,301.17 : x
  2. Step 2: Convert to fraction form
    193,660.91/290,491.15 = 67,301.17/x
  3. Step 3: Cross multiply
    193,660.91x = 290,491.15 × 67,301.17
  4. Step 4: Simplify right side
    193,660.91x = 19,550,394,269.65
  5. Step 5: Solve for x
    x = 19,550,394,269.65/193,660.91
  6. Step 6: Final answer
    x = 100,951.68

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1.5x scale

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.