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Finding the Fourth Proportional to 167,838.80, 251,761.56 and 62,636.80

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Solution

The fourth proportional to 167,838.80, 251,761.56 and 62,636.80 is: 93,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,838.80 : 251,761.56 = 62,636.80 : x
  2. Step 2: Convert to fraction form
    167,838.80/251,761.56 = 62,636.80/x
  3. Step 3: Cross multiply
    167,838.80x = 251,761.56 × 62,636.80
  4. Step 4: Simplify right side
    167,838.80x = 15,769,538,481.41
  5. Step 5: Solve for x
    x = 15,769,538,481.41/167,838.80
  6. Step 6: Final answer
    x = 93,956.45

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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.