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Finding the Fourth Proportional to 173,996.89, 260,996.87 and 68,815.87

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Solution

The fourth proportional to 173,996.89, 260,996.87 and 68,815.87 is: 103,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,996.89 : 260,996.87 = 68,815.87 : x
  2. Step 2: Convert to fraction form
    173,996.89/260,996.87 = 68,815.87/x
  3. Step 3: Cross multiply
    173,996.89x = 260,996.87 × 68,815.87
  4. Step 4: Simplify right side
    173,996.89x = 17,960,726,195.87
  5. Step 5: Solve for x
    x = 17,960,726,195.87/173,996.89
  6. Step 6: Final answer
    x = 103,224.41

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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.