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Finding the Fourth Proportional to 85,169.44, 117,532.88 and 48,375.39

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Solution

The fourth proportional to 85,169.44, 117,532.88 and 48,375.39 is: 66,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,169.44 : 117,532.88 = 48,375.39 : x
  2. Step 2: Convert to fraction form
    85,169.44/117,532.88 = 48,375.39/x
  3. Step 3: Cross multiply
    85,169.44x = 117,532.88 × 48,375.39
  4. Step 4: Simplify right side
    85,169.44x = 5,685,698,665.95
  5. Step 5: Solve for x
    x = 5,685,698,665.95/85,169.44
  6. Step 6: Final answer
    x = 66,757.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.