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Finding the Fourth Proportional to 192,048.78, 287,687.34 and 95,695.36

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Solution

The fourth proportional to 192,048.78, 287,687.34 and 95,695.36 is: 143,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,048.78 : 287,687.34 = 95,695.36 : x
  2. Step 2: Convert to fraction form
    192,048.78/287,687.34 = 95,695.36/x
  3. Step 3: Cross multiply
    192,048.78x = 287,687.34 × 95,695.36
  4. Step 4: Simplify right side
    192,048.78x = 27,530,343,568.74
  5. Step 5: Solve for x
    x = 27,530,343,568.74/192,048.78
  6. Step 6: Final answer
    x = 143,350.79

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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.