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Finding the Fourth Proportional to 179,493.88, 247,713.23 and 103,037.72

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Solution

The fourth proportional to 179,493.88, 247,713.23 and 103,037.72 is: 142,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,493.88 : 247,713.23 = 103,037.72 : x
  2. Step 2: Convert to fraction form
    179,493.88/247,713.23 = 103,037.72/x
  3. Step 3: Cross multiply
    179,493.88x = 247,713.23 × 103,037.72
  4. Step 4: Simplify right side
    179,493.88x = 25,523,806,380.99
  5. Step 5: Solve for x
    x = 25,523,806,380.99/179,493.88
  6. Step 6: Final answer
    x = 142,198.76

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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.