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Finding the Fourth Proportional to 159,795.06, 220,544.01 and 96,138.78

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Solution

The fourth proportional to 159,795.06, 220,544.01 and 96,138.78 is: 132,687.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,795.06 : 220,544.01 = 96,138.78 : x
  2. Step 2: Convert to fraction form
    159,795.06/220,544.01 = 96,138.78/x
  3. Step 3: Cross multiply
    159,795.06x = 220,544.01 × 96,138.78
  4. Step 4: Simplify right side
    159,795.06x = 21,202,832,057.71
  5. Step 5: Solve for x
    x = 21,202,832,057.71/159,795.06
  6. Step 6: Final answer
    x = 132,687.66

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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.