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Finding the Fourth Proportional to 111,257.92, 166,885.17 and 27,018.73

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Solution

The fourth proportional to 111,257.92, 166,885.17 and 27,018.73 is: 40,527.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,257.92 : 166,885.17 = 27,018.73 : x
  2. Step 2: Convert to fraction form
    111,257.92/166,885.17 = 27,018.73/x
  3. Step 3: Cross multiply
    111,257.92x = 166,885.17 × 27,018.73
  4. Step 4: Simplify right side
    111,257.92x = 4,509,025,349.23
  5. Step 5: Solve for x
    x = 4,509,025,349.23/111,257.92
  6. Step 6: Final answer
    x = 40,527.68

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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.