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Finding the Fourth Proportional to 144,951.42, 199,847.79 and 93,873.90

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Solution

The fourth proportional to 144,951.42, 199,847.79 and 93,873.90 is: 129,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,951.42 : 199,847.79 = 93,873.90 : x
  2. Step 2: Convert to fraction form
    144,951.42/199,847.79 = 93,873.90/x
  3. Step 3: Cross multiply
    144,951.42x = 199,847.79 × 93,873.90
  4. Step 4: Simplify right side
    144,951.42x = 18,760,491,453.68
  5. Step 5: Solve for x
    x = 18,760,491,453.68/144,951.42
  6. Step 6: Final answer
    x = 129,426.06

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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.