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Finding the Fourth Proportional to 131,794.22, 197,801.49 and 119,393.94

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Solution

The fourth proportional to 131,794.22, 197,801.49 and 119,393.94 is: 179,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,794.22 : 197,801.49 = 119,393.94 : x
  2. Step 2: Convert to fraction form
    131,794.22/197,801.49 = 119,393.94/x
  3. Step 3: Cross multiply
    131,794.22x = 197,801.49 × 119,393.94
  4. Step 4: Simplify right side
    131,794.22x = 23,616,299,228.97
  5. Step 5: Solve for x
    x = 23,616,299,228.97/131,794.22
  6. Step 6: Final answer
    x = 179,190.71

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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.