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Finding the Fourth Proportional to 126,566.70, 189,794.69 and 60,025.86

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Solution

The fourth proportional to 126,566.70, 189,794.69 and 60,025.86 is: 90,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,566.70 : 189,794.69 = 60,025.86 : x
  2. Step 2: Convert to fraction form
    126,566.70/189,794.69 = 60,025.86/x
  3. Step 3: Cross multiply
    126,566.70x = 189,794.69 × 60,025.86
  4. Step 4: Simplify right side
    126,566.70x = 11,392,589,753.30
  5. Step 5: Solve for x
    x = 11,392,589,753.30/126,566.70
  6. Step 6: Final answer
    x = 90,012.54

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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.