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Finding the Fourth Proportional to 173,671.56, 239,912.28 and 160,812

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Solution

The fourth proportional to 173,671.56, 239,912.28 and 160,812 is: 222,147.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,671.56 : 239,912.28 = 160,812 : x
  2. Step 2: Convert to fraction form
    173,671.56/239,912.28 = 160,812/x
  3. Step 3: Cross multiply
    173,671.56x = 239,912.28 × 160,812
  4. Step 4: Simplify right side
    173,671.56x = 38,580,773,571.36
  5. Step 5: Solve for x
    x = 38,580,773,571.36/173,671.56
  6. Step 6: Final answer
    x = 222,147.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.