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Finding the Fourth Proportional to 119,811.91, 179,665.36 and 44,879.47

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Solution

The fourth proportional to 119,811.91, 179,665.36 and 44,879.47 is: 67,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,811.91 : 179,665.36 = 44,879.47 : x
  2. Step 2: Convert to fraction form
    119,811.91/179,665.36 = 44,879.47/x
  3. Step 3: Cross multiply
    119,811.91x = 179,665.36 × 44,879.47
  4. Step 4: Simplify right side
    119,811.91x = 8,063,286,134.16
  5. Step 5: Solve for x
    x = 8,063,286,134.16/119,811.91
  6. Step 6: Final answer
    x = 67,299.54

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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.