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Finding the Fourth Proportional to 234,947.70, 352,478.79 and 75,023.73

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Solution

The fourth proportional to 234,947.70, 352,478.79 and 75,023.73 is: 112,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,947.70 : 352,478.79 = 75,023.73 : x
  2. Step 2: Convert to fraction form
    234,947.70/352,478.79 = 75,023.73/x
  3. Step 3: Cross multiply
    234,947.70x = 352,478.79 × 75,023.73
  4. Step 4: Simplify right side
    234,947.70x = 26,444,273,571.69
  5. Step 5: Solve for x
    x = 26,444,273,571.69/234,947.70
  6. Step 6: Final answer
    x = 112,553.87

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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.