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Finding the Fourth Proportional to 173,119.92, 259,523.16 and 67,910.64

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Solution

The fourth proportional to 173,119.92, 259,523.16 and 67,910.64 is: 101,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,119.92 : 259,523.16 = 67,910.64 : x
  2. Step 2: Convert to fraction form
    173,119.92/259,523.16 = 67,910.64/x
  3. Step 3: Cross multiply
    173,119.92x = 259,523.16 × 67,910.64
  4. Step 4: Simplify right side
    173,119.92x = 17,624,383,890.42
  5. Step 5: Solve for x
    x = 17,624,383,890.42/173,119.92
  6. Step 6: Final answer
    x = 101,804.48

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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.