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Finding the Fourth Proportional to 193,160.44, 289,591.62 and 73,215.64

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Solution

The fourth proportional to 193,160.44, 289,591.62 and 73,215.64 is: 109,766.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,160.44 : 289,591.62 = 73,215.64 : x
  2. Step 2: Convert to fraction form
    193,160.44/289,591.62 = 73,215.64/x
  3. Step 3: Cross multiply
    193,160.44x = 289,591.62 × 73,215.64
  4. Step 4: Simplify right side
    193,160.44x = 21,202,635,796.94
  5. Step 5: Solve for x
    x = 21,202,635,796.94/193,160.44
  6. Step 6: Final answer
    x = 109,766.97

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1.5x scale

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.