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Finding the Fourth Proportional to 159,956.24, 220,743.06 and 88,340.84

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Solution

The fourth proportional to 159,956.24, 220,743.06 and 88,340.84 is: 121,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,956.24 : 220,743.06 = 88,340.84 : x
  2. Step 2: Convert to fraction form
    159,956.24/220,743.06 = 88,340.84/x
  3. Step 3: Cross multiply
    159,956.24x = 220,743.06 × 88,340.84
  4. Step 4: Simplify right side
    159,956.24x = 19,500,627,344.57
  5. Step 5: Solve for x
    x = 19,500,627,344.57/159,956.24
  6. Step 6: Final answer
    x = 121,912.26

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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.