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Finding the Fourth Proportional to 173,325, 259,954.62 and 84,489.16

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Solution

The fourth proportional to 173,325, 259,954.62 and 84,489.16 is: 126,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,325 : 259,954.62 = 84,489.16 : x
  2. Step 2: Convert to fraction form
    173,325/259,954.62 = 84,489.16/x
  3. Step 3: Cross multiply
    173,325x = 259,954.62 × 84,489.16
  4. Step 4: Simplify right side
    173,325x = 21,963,347,481.92
  5. Step 5: Solve for x
    x = 21,963,347,481.92/173,325
  6. Step 6: Final answer
    x = 126,717.71

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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.