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Finding the Fourth Proportional to 192,797.48, 289,187.71 and 52,556.11

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Solution

The fourth proportional to 192,797.48, 289,187.71 and 52,556.11 is: 78,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,797.48 : 289,187.71 = 52,556.11 : x
  2. Step 2: Convert to fraction form
    192,797.48/289,187.71 = 52,556.11/x
  3. Step 3: Cross multiply
    192,797.48x = 289,187.71 × 52,556.11
  4. Step 4: Simplify right side
    192,797.48x = 15,198,581,097.41
  5. Step 5: Solve for x
    x = 15,198,581,097.41/192,797.48
  6. Step 6: Final answer
    x = 78,831.85

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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.