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Finding the Fourth Proportional to 167,988.31, 251,976.15 and 41,628.92

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Solution

The fourth proportional to 167,988.31, 251,976.15 and 41,628.92 is: 62,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,988.31 : 251,976.15 = 41,628.92 : x
  2. Step 2: Convert to fraction form
    167,988.31/251,976.15 = 41,628.92/x
  3. Step 3: Cross multiply
    167,988.31x = 251,976.15 × 41,628.92
  4. Step 4: Simplify right side
    167,988.31x = 10,489,493,730.38
  5. Step 5: Solve for x
    x = 10,489,493,730.38/167,988.31
  6. Step 6: Final answer
    x = 62,441.81

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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.