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Finding the Fourth Proportional to 167,149.81, 250,761.63 and 61,968.78

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Solution

The fourth proportional to 167,149.81, 250,761.63 and 61,968.78 is: 92,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,149.81 : 250,761.63 = 61,968.78 : x
  2. Step 2: Convert to fraction form
    167,149.81/250,761.63 = 61,968.78/x
  3. Step 3: Cross multiply
    167,149.81x = 250,761.63 × 61,968.78
  4. Step 4: Simplify right side
    167,149.81x = 15,539,392,281.91
  5. Step 5: Solve for x
    x = 15,539,392,281.91/167,149.81
  6. Step 6: Final answer
    x = 92,966.86

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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.