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Finding the Fourth Proportional to 111,092.72, 166,656.36 and 36,195.44

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Solution

The fourth proportional to 111,092.72, 166,656.36 and 36,195.44 is: 54,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,092.72 : 166,656.36 = 36,195.44 : x
  2. Step 2: Convert to fraction form
    111,092.72/166,656.36 = 36,195.44/x
  3. Step 3: Cross multiply
    111,092.72x = 166,656.36 × 36,195.44
  4. Step 4: Simplify right side
    111,092.72x = 6,032,200,279.00
  5. Step 5: Solve for x
    x = 6,032,200,279.00/111,092.72
  6. Step 6: Final answer
    x = 54,298.79

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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.