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Finding the Fourth Proportional to 192,911.76, 289,812.30 and 184,940.28

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Solution

The fourth proportional to 192,911.76, 289,812.30 and 184,940.28 is: 277,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,911.76 : 289,812.30 = 184,940.28 : x
  2. Step 2: Convert to fraction form
    192,911.76/289,812.30 = 184,940.28/x
  3. Step 3: Cross multiply
    192,911.76x = 289,812.30 × 184,940.28
  4. Step 4: Simplify right side
    192,911.76x = 53,597,967,909.44
  5. Step 5: Solve for x
    x = 53,597,967,909.44/192,911.76
  6. Step 6: Final answer
    x = 277,836.71

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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.