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Finding the Fourth Proportional to 111,976.80, 167,988.87 and 37,092.69

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Solution

The fourth proportional to 111,976.80, 167,988.87 and 37,092.69 is: 55,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,976.80 : 167,988.87 = 37,092.69 : x
  2. Step 2: Convert to fraction form
    111,976.80/167,988.87 = 37,092.69/x
  3. Step 3: Cross multiply
    111,976.80x = 167,988.87 × 37,092.69
  4. Step 4: Simplify right side
    111,976.80x = 6,231,159,078.36
  5. Step 5: Solve for x
    x = 6,231,159,078.36/111,976.80
  6. Step 6: Final answer
    x = 55,646.88

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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.