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Finding the Fourth Proportional to 159,878.88, 220,627.07 and 88,257.37

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Solution

The fourth proportional to 159,878.88, 220,627.07 and 88,257.37 is: 121,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,878.88 : 220,627.07 = 88,257.37 : x
  2. Step 2: Convert to fraction form
    159,878.88/220,627.07 = 88,257.37/x
  3. Step 3: Cross multiply
    159,878.88x = 220,627.07 × 88,257.37
  4. Step 4: Simplify right side
    159,878.88x = 19,471,964,949.01
  5. Step 5: Solve for x
    x = 19,471,964,949.01/159,878.88
  6. Step 6: Final answer
    x = 121,791.98

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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.