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Finding the Fourth Proportional to 160,560.92, 221,571.29 and 88,939.43

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Solution

The fourth proportional to 160,560.92, 221,571.29 and 88,939.43 is: 122,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,560.92 : 221,571.29 = 88,939.43 : x
  2. Step 2: Convert to fraction form
    160,560.92/221,571.29 = 88,939.43/x
  3. Step 3: Cross multiply
    160,560.92x = 221,571.29 × 88,939.43
  4. Step 4: Simplify right side
    160,560.92x = 19,706,424,236.96
  5. Step 5: Solve for x
    x = 19,706,424,236.96/160,560.92
  6. Step 6: Final answer
    x = 122,734.87

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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.