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Finding the Fourth Proportional to 71,293.24, 106,879.71 and 44,939.89

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Solution

The fourth proportional to 71,293.24, 106,879.71 and 44,939.89 is: 67,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,293.24 : 106,879.71 = 44,939.89 : x
  2. Step 2: Convert to fraction form
    71,293.24/106,879.71 = 44,939.89/x
  3. Step 3: Cross multiply
    71,293.24x = 106,879.71 × 44,939.89
  4. Step 4: Simplify right side
    71,293.24x = 4,803,162,410.63
  5. Step 5: Solve for x
    x = 4,803,162,410.63/71,293.24
  6. Step 6: Final answer
    x = 67,371.92

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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.