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Finding the Fourth Proportional to 141,172.44, 194,833.50 and 80,748.60

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Solution

The fourth proportional to 141,172.44, 194,833.50 and 80,748.60 is: 111,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,172.44 : 194,833.50 = 80,748.60 : x
  2. Step 2: Convert to fraction form
    141,172.44/194,833.50 = 80,748.60/x
  3. Step 3: Cross multiply
    141,172.44x = 194,833.50 × 80,748.60
  4. Step 4: Simplify right side
    141,172.44x = 15,732,532,358.10
  5. Step 5: Solve for x
    x = 15,732,532,358.10/141,172.44
  6. Step 6: Final answer
    x = 111,441.95

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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.