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Finding the Fourth Proportional to 111,231.40, 166,845.68 and 26,992.25

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Solution

The fourth proportional to 111,231.40, 166,845.68 and 26,992.25 is: 40,488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,231.40 : 166,845.68 = 26,992.25 : x
  2. Step 2: Convert to fraction form
    111,231.40/166,845.68 = 26,992.25/x
  3. Step 3: Cross multiply
    111,231.40x = 166,845.68 × 26,992.25
  4. Step 4: Simplify right side
    111,231.40x = 4,503,540,305.98
  5. Step 5: Solve for x
    x = 4,503,540,305.98/111,231.40
  6. Step 6: Final answer
    x = 40,488.03

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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.