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Finding the Fourth Proportional to 192,947.04, 289,266 and 91,694.27

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Solution

The fourth proportional to 192,947.04, 289,266 and 91,694.27 is: 137,467.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,947.04 : 289,266 = 91,694.27 : x
  2. Step 2: Convert to fraction form
    192,947.04/289,266 = 91,694.27/x
  3. Step 3: Cross multiply
    192,947.04x = 289,266 × 91,694.27
  4. Step 4: Simplify right side
    192,947.04x = 26,524,034,705.82
  5. Step 5: Solve for x
    x = 26,524,034,705.82/192,947.04
  6. Step 6: Final answer
    x = 137,467.96

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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.