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Finding the Fourth Proportional to 80,469.45, 111,047.96 and 44,658.54

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Solution

The fourth proportional to 80,469.45, 111,047.96 and 44,658.54 is: 61,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,469.45 : 111,047.96 = 44,658.54 : x
  2. Step 2: Convert to fraction form
    80,469.45/111,047.96 = 44,658.54/x
  3. Step 3: Cross multiply
    80,469.45x = 111,047.96 × 44,658.54
  4. Step 4: Simplify right side
    80,469.45x = 4,959,239,875.22
  5. Step 5: Solve for x
    x = 4,959,239,875.22/80,469.45
  6. Step 6: Final answer
    x = 61,628.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.