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Finding the Fourth Proportional to 111,327.66, 166,991.63 and 27,087.84

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Solution

The fourth proportional to 111,327.66, 166,991.63 and 27,087.84 is: 40,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,327.66 : 166,991.63 = 27,087.84 : x
  2. Step 2: Convert to fraction form
    111,327.66/166,991.63 = 27,087.84/x
  3. Step 3: Cross multiply
    111,327.66x = 166,991.63 × 27,087.84
  4. Step 4: Simplify right side
    111,327.66x = 4,523,442,003.68
  5. Step 5: Solve for x
    x = 4,523,442,003.68/111,327.66
  6. Step 6: Final answer
    x = 40,631.79

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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.