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Finding the Fourth Proportional to 192,124.44, 288,180.51 and 86,943.41

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Solution

The fourth proportional to 192,124.44, 288,180.51 and 86,943.41 is: 130,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,124.44 : 288,180.51 = 86,943.41 : x
  2. Step 2: Convert to fraction form
    192,124.44/288,180.51 = 86,943.41/x
  3. Step 3: Cross multiply
    192,124.44x = 288,180.51 × 86,943.41
  4. Step 4: Simplify right side
    192,124.44x = 25,055,394,794.04
  5. Step 5: Solve for x
    x = 25,055,394,794.04/192,124.44
  6. Step 6: Final answer
    x = 130,412.32

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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.