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Finding the Fourth Proportional to 151,593.73, 209,081.24 and 97,891.94

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Solution

The fourth proportional to 151,593.73, 209,081.24 and 97,891.94 is: 135,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,593.73 : 209,081.24 = 97,891.94 : x
  2. Step 2: Convert to fraction form
    151,593.73/209,081.24 = 97,891.94/x
  3. Step 3: Cross multiply
    151,593.73x = 209,081.24 × 97,891.94
  4. Step 4: Simplify right side
    151,593.73x = 20,467,368,201.21
  5. Step 5: Solve for x
    x = 20,467,368,201.21/151,593.73
  6. Step 6: Final answer
    x = 135,014.61

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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.