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Finding the Fourth Proportional to 192,092.68, 288,171.42 and 79,833.16

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Solution

The fourth proportional to 192,092.68, 288,171.42 and 79,833.16 is: 119,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,092.68 : 288,171.42 = 79,833.16 : x
  2. Step 2: Convert to fraction form
    192,092.68/288,171.42 = 79,833.16/x
  3. Step 3: Cross multiply
    192,092.68x = 288,171.42 × 79,833.16
  4. Step 4: Simplify right side
    192,092.68x = 23,005,635,080.29
  5. Step 5: Solve for x
    x = 23,005,635,080.29/192,092.68
  6. Step 6: Final answer
    x = 119,763.21

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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.