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Finding the Fourth Proportional to 159,860.93, 220,608.11 and 88,240.97

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Solution

The fourth proportional to 159,860.93, 220,608.11 and 88,240.97 is: 121,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,860.93 : 220,608.11 = 88,240.97 : x
  2. Step 2: Convert to fraction form
    159,860.93/220,608.11 = 88,240.97/x
  3. Step 3: Cross multiply
    159,860.93x = 220,608.11 × 88,240.97
  4. Step 4: Simplify right side
    159,860.93x = 19,466,673,616.27
  5. Step 5: Solve for x
    x = 19,466,673,616.27/159,860.93
  6. Step 6: Final answer
    x = 121,772.55

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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.