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Finding the Fourth Proportional to 166,843.26, 250,284.33 and 54,531.90

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Solution

The fourth proportional to 166,843.26, 250,284.33 and 54,531.90 is: 81,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,843.26 : 250,284.33 = 54,531.90 : x
  2. Step 2: Convert to fraction form
    166,843.26/250,284.33 = 54,531.90/x
  3. Step 3: Cross multiply
    166,843.26x = 250,284.33 × 54,531.90
  4. Step 4: Simplify right side
    166,843.26x = 13,648,480,055.13
  5. Step 5: Solve for x
    x = 13,648,480,055.13/166,843.26
  6. Step 6: Final answer
    x = 81,804.20

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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.