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Finding the Fourth Proportional to 171,331.93, 256,850.16 and 82,647.73

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Solution

The fourth proportional to 171,331.93, 256,850.16 and 82,647.73 is: 123,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,331.93 : 256,850.16 = 82,647.73 : x
  2. Step 2: Convert to fraction form
    171,331.93/256,850.16 = 82,647.73/x
  3. Step 3: Cross multiply
    171,331.93x = 256,850.16 × 82,647.73
  4. Step 4: Simplify right side
    171,331.93x = 21,228,082,674.14
  5. Step 5: Solve for x
    x = 21,228,082,674.14/171,331.93
  6. Step 6: Final answer
    x = 123,900.33

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1.5x scale

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.