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Finding the Fourth Proportional to 159,954.57, 220,736.57 and 88,334.28

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Solution

The fourth proportional to 159,954.57, 220,736.57 and 88,334.28 is: 121,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,954.57 : 220,736.57 = 88,334.28 : x
  2. Step 2: Convert to fraction form
    159,954.57/220,736.57 = 88,334.28/x
  3. Step 3: Cross multiply
    159,954.57x = 220,736.57 × 88,334.28
  4. Step 4: Simplify right side
    159,954.57x = 19,498,605,538.95
  5. Step 5: Solve for x
    x = 19,498,605,538.95/159,954.57
  6. Step 6: Final answer
    x = 121,900.90

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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.