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Finding the Fourth Proportional to 192,488.43, 288,727.79 and 52,243.41

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Solution

The fourth proportional to 192,488.43, 288,727.79 and 52,243.41 is: 78,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,488.43 : 288,727.79 = 52,243.41 : x
  2. Step 2: Convert to fraction form
    192,488.43/288,727.79 = 52,243.41/x
  3. Step 3: Cross multiply
    192,488.43x = 288,727.79 × 52,243.41
  4. Step 4: Simplify right side
    192,488.43x = 15,084,124,050.15
  5. Step 5: Solve for x
    x = 15,084,124,050.15/192,488.43
  6. Step 6: Final answer
    x = 78,363.80

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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.