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Finding the Fourth Proportional to 192,047.78, 287,685.84 and 95,694.36

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Solution

The fourth proportional to 192,047.78, 287,685.84 and 95,694.36 is: 143,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,047.78 : 287,685.84 = 95,694.36 : x
  2. Step 2: Convert to fraction form
    192,047.78/287,685.84 = 95,694.36/x
  3. Step 3: Cross multiply
    192,047.78x = 287,685.84 × 95,694.36
  4. Step 4: Simplify right side
    192,047.78x = 27,529,912,339.86
  5. Step 5: Solve for x
    x = 27,529,912,339.86/192,047.78
  6. Step 6: Final answer
    x = 143,349.29

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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.