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Finding the Fourth Proportional to 111,496.88, 167,243.84 and 27,257.78

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Solution

The fourth proportional to 111,496.88, 167,243.84 and 27,257.78 is: 40,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,496.88 : 167,243.84 = 27,257.78 : x
  2. Step 2: Convert to fraction form
    111,496.88/167,243.84 = 27,257.78/x
  3. Step 3: Cross multiply
    111,496.88x = 167,243.84 × 27,257.78
  4. Step 4: Simplify right side
    111,496.88x = 4,558,695,797.08
  5. Step 5: Solve for x
    x = 4,558,695,797.08/111,496.88
  6. Step 6: Final answer
    x = 40,886.31

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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.