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Finding the Fourth Proportional to 173,791.78, 260,786.20 and 93,828.68

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Solution

The fourth proportional to 173,791.78, 260,786.20 and 93,828.68 is: 140,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,791.78 : 260,786.20 = 93,828.68 : x
  2. Step 2: Convert to fraction form
    173,791.78/260,786.20 = 93,828.68/x
  3. Step 3: Cross multiply
    173,791.78x = 260,786.20 × 93,828.68
  4. Step 4: Simplify right side
    173,791.78x = 24,469,224,908.22
  5. Step 5: Solve for x
    x = 24,469,224,908.22/173,791.78
  6. Step 6: Final answer
    x = 140,796.22

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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.