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Finding the Fourth Proportional to 275,076.54, 412,616.34 and 125,212.02

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Solution

The fourth proportional to 275,076.54, 412,616.34 and 125,212.02 is: 187,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,076.54 : 412,616.34 = 125,212.02 : x
  2. Step 2: Convert to fraction form
    275,076.54/412,616.34 = 125,212.02/x
  3. Step 3: Cross multiply
    275,076.54x = 412,616.34 × 125,212.02
  4. Step 4: Simplify right side
    275,076.54x = 51,664,525,416.41
  5. Step 5: Solve for x
    x = 51,664,525,416.41/275,076.54
  6. Step 6: Final answer
    x = 187,818.73

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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.