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Finding the Fourth Proportional to 197,140.60, 295,753.02 and 72,481.60

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Solution

The fourth proportional to 197,140.60, 295,753.02 and 72,481.60 is: 108,737.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,140.60 : 295,753.02 = 72,481.60 : x
  2. Step 2: Convert to fraction form
    197,140.60/295,753.02 = 72,481.60/x
  3. Step 3: Cross multiply
    197,140.60x = 295,753.02 × 72,481.60
  4. Step 4: Simplify right side
    197,140.60x = 21,436,652,094.43
  5. Step 5: Solve for x
    x = 21,436,652,094.43/197,140.60
  6. Step 6: Final answer
    x = 108,737.89

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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.