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Finding the Fourth Proportional to 111,976.70, 167,988.74 and 37,092.60

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Solution

The fourth proportional to 111,976.70, 167,988.74 and 37,092.60 is: 55,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,976.70 : 167,988.74 = 37,092.60 : x
  2. Step 2: Convert to fraction form
    111,976.70/167,988.74 = 37,092.60/x
  3. Step 3: Cross multiply
    111,976.70x = 167,988.74 × 37,092.60
  4. Step 4: Simplify right side
    111,976.70x = 6,231,138,951.86
  5. Step 5: Solve for x
    x = 6,231,138,951.86/111,976.70
  6. Step 6: Final answer
    x = 55,646.75

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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.