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Finding the Fourth Proportional to 276,053.56, 413,785.08 and 126,069.10

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Solution

The fourth proportional to 276,053.56, 413,785.08 and 126,069.10 is: 188,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,053.56 : 413,785.08 = 126,069.10 : x
  2. Step 2: Convert to fraction form
    276,053.56/413,785.08 = 126,069.10/x
  3. Step 3: Cross multiply
    276,053.56x = 413,785.08 × 126,069.10
  4. Step 4: Simplify right side
    276,053.56x = 52,165,511,594.57
  5. Step 5: Solve for x
    x = 52,165,511,594.57/276,053.56
  6. Step 6: Final answer
    x = 188,968.81

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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.