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Finding the Fourth Proportional to 197,940.60, 296,910.90 and 48,179.70

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Solution

The fourth proportional to 197,940.60, 296,910.90 and 48,179.70 is: 72,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,940.60 : 296,910.90 = 48,179.70 : x
  2. Step 2: Convert to fraction form
    197,940.60/296,910.90 = 48,179.70/x
  3. Step 3: Cross multiply
    197,940.60x = 296,910.90 × 48,179.70
  4. Step 4: Simplify right side
    197,940.60x = 14,305,078,088.73
  5. Step 5: Solve for x
    x = 14,305,078,088.73/197,940.60
  6. Step 6: Final answer
    x = 72,269.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.