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Finding the Fourth Proportional to 159,872.06, 220,624.98 and 88,250.54

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Solution

The fourth proportional to 159,872.06, 220,624.98 and 88,250.54 is: 121,786.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,872.06 : 220,624.98 = 88,250.54 : x
  2. Step 2: Convert to fraction form
    159,872.06/220,624.98 = 88,250.54/x
  3. Step 3: Cross multiply
    159,872.06x = 220,624.98 × 88,250.54
  4. Step 4: Simplify right side
    159,872.06x = 19,470,273,622.49
  5. Step 5: Solve for x
    x = 19,470,273,622.49/159,872.06
  6. Step 6: Final answer
    x = 121,786.59

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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.