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Finding the Fourth Proportional to 126,568.52, 189,946.22 and 60,008.90

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Solution

The fourth proportional to 126,568.52, 189,946.22 and 60,008.90 is: 90,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,568.52 : 189,946.22 = 60,008.90 : x
  2. Step 2: Convert to fraction form
    126,568.52/189,946.22 = 60,008.90/x
  3. Step 3: Cross multiply
    126,568.52x = 189,946.22 × 60,008.90
  4. Step 4: Simplify right side
    126,568.52x = 11,398,463,540.03
  5. Step 5: Solve for x
    x = 11,398,463,540.03/126,568.52
  6. Step 6: Final answer
    x = 90,057.65

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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.