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Finding the Fourth Proportional to 167,532.80, 251,330.33 and 55,220.90

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Solution

The fourth proportional to 167,532.80, 251,330.33 and 55,220.90 is: 82,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,532.80 : 251,330.33 = 55,220.90 : x
  2. Step 2: Convert to fraction form
    167,532.80/251,330.33 = 55,220.90/x
  3. Step 3: Cross multiply
    167,532.80x = 251,330.33 × 55,220.90
  4. Step 4: Simplify right side
    167,532.80x = 13,878,687,786.28
  5. Step 5: Solve for x
    x = 13,878,687,786.28/167,532.80
  6. Step 6: Final answer
    x = 82,841.61

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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.