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Finding the Fourth Proportional to 169,481.98, 254,224.46 and 43,122.38

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Solution

The fourth proportional to 169,481.98, 254,224.46 and 43,122.38 is: 64,683.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,481.98 : 254,224.46 = 43,122.38 : x
  2. Step 2: Convert to fraction form
    169,481.98/254,224.46 = 43,122.38/x
  3. Step 3: Cross multiply
    169,481.98x = 254,224.46 × 43,122.38
  4. Step 4: Simplify right side
    169,481.98x = 10,962,763,769.41
  5. Step 5: Solve for x
    x = 10,962,763,769.41/169,481.98
  6. Step 6: Final answer
    x = 64,683.95

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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.