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Finding the Fourth Proportional to 141,273.87, 194,968.88 and 80,863.47

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Solution

The fourth proportional to 141,273.87, 194,968.88 and 80,863.47 is: 111,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,273.87 : 194,968.88 = 80,863.47 : x
  2. Step 2: Convert to fraction form
    141,273.87/194,968.88 = 80,863.47/x
  3. Step 3: Cross multiply
    141,273.87x = 194,968.88 × 80,863.47
  4. Step 4: Simplify right side
    141,273.87x = 15,765,859,774.50
  5. Step 5: Solve for x
    x = 15,765,859,774.50/141,273.87
  6. Step 6: Final answer
    x = 111,597.85

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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.