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Finding the Fourth Proportional to 111,257.67, 166,884.78 and 27,018.48

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Solution

The fourth proportional to 111,257.67, 166,884.78 and 27,018.48 is: 40,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,257.67 : 166,884.78 = 27,018.48 : x
  2. Step 2: Convert to fraction form
    111,257.67/166,884.78 = 27,018.48/x
  3. Step 3: Cross multiply
    111,257.67x = 166,884.78 × 27,018.48
  4. Step 4: Simplify right side
    111,257.67x = 4,508,973,090.73
  5. Step 5: Solve for x
    x = 4,508,973,090.73/111,257.67
  6. Step 6: Final answer
    x = 40,527.30

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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.