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Finding the Fourth Proportional to 247,375.50, 341,378.37 and 134,198.70

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Solution

The fourth proportional to 247,375.50, 341,378.37 and 134,198.70 is: 185,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,375.50 : 341,378.37 = 134,198.70 : x
  2. Step 2: Convert to fraction form
    247,375.50/341,378.37 = 134,198.70/x
  3. Step 3: Cross multiply
    247,375.50x = 341,378.37 × 134,198.70
  4. Step 4: Simplify right side
    247,375.50x = 45,812,533,462.12
  5. Step 5: Solve for x
    x = 45,812,533,462.12/247,375.50
  6. Step 6: Final answer
    x = 185,194.30

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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.