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Finding the Fourth Proportional to 179,557.87, 269,335.14 and 68,749.87

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Solution

The fourth proportional to 179,557.87, 269,335.14 and 68,749.87 is: 103,124.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,557.87 : 269,335.14 = 68,749.87 : x
  2. Step 2: Convert to fraction form
    179,557.87/269,335.14 = 68,749.87/x
  3. Step 3: Cross multiply
    179,557.87x = 269,335.14 × 68,749.87
  4. Step 4: Simplify right side
    179,557.87x = 18,516,755,861.43
  5. Step 5: Solve for x
    x = 18,516,755,861.43/179,557.87
  6. Step 6: Final answer
    x = 103,124.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.