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Finding the Fourth Proportional to 167,540.40, 251,310.60 and 56,732.40

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Solution

The fourth proportional to 167,540.40, 251,310.60 and 56,732.40 is: 85,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,540.40 : 251,310.60 = 56,732.40 : x
  2. Step 2: Convert to fraction form
    167,540.40/251,310.60 = 56,732.40/x
  3. Step 3: Cross multiply
    167,540.40x = 251,310.60 × 56,732.40
  4. Step 4: Simplify right side
    167,540.40x = 14,257,453,483.44
  5. Step 5: Solve for x
    x = 14,257,453,483.44/167,540.40
  6. Step 6: Final answer
    x = 85,098.60

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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.