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Finding the Fourth Proportional to 171,065.75, 256,609.17 and 65,884.82

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Solution

The fourth proportional to 171,065.75, 256,609.17 and 65,884.82 is: 98,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,065.75 : 256,609.17 = 65,884.82 : x
  2. Step 2: Convert to fraction form
    171,065.75/256,609.17 = 65,884.82/x
  3. Step 3: Cross multiply
    171,065.75x = 256,609.17 × 65,884.82
  4. Step 4: Simplify right side
    171,065.75x = 16,906,647,692.75
  5. Step 5: Solve for x
    x = 16,906,647,692.75/171,065.75
  6. Step 6: Final answer
    x = 98,831.29

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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.