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Finding the Fourth Proportional to 195,187.60, 291,906.60 and 163,694.80

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Solution

The fourth proportional to 195,187.60, 291,906.60 and 163,694.80 is: 244,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,187.60 : 291,906.60 = 163,694.80 : x
  2. Step 2: Convert to fraction form
    195,187.60/291,906.60 = 163,694.80/x
  3. Step 3: Cross multiply
    195,187.60x = 291,906.60 × 163,694.80
  4. Step 4: Simplify right side
    195,187.60x = 47,783,592,505.68
  5. Step 5: Solve for x
    x = 47,783,592,505.68/195,187.60
  6. Step 6: Final answer
    x = 244,808.55

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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.