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Finding the Fourth Proportional to 111,896.48, 167,961.36 and 49,610.72

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Solution

The fourth proportional to 111,896.48, 167,961.36 and 49,610.72 is: 74,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,896.48 : 167,961.36 = 49,610.72 : x
  2. Step 2: Convert to fraction form
    111,896.48/167,961.36 = 49,610.72/x
  3. Step 3: Cross multiply
    111,896.48x = 167,961.36 × 49,610.72
  4. Step 4: Simplify right side
    111,896.48x = 8,332,684,001.78
  5. Step 5: Solve for x
    x = 8,332,684,001.78/111,896.48
  6. Step 6: Final answer
    x = 74,467.79

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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.