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Finding the Fourth Proportional to 111,953.73, 167,910.54 and 48,738.49

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Solution

The fourth proportional to 111,953.73, 167,910.54 and 48,738.49 is: 73,099.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,953.73 : 167,910.54 = 48,738.49 : x
  2. Step 2: Convert to fraction form
    111,953.73/167,910.54 = 48,738.49/x
  3. Step 3: Cross multiply
    111,953.73x = 167,910.54 × 48,738.49
  4. Step 4: Simplify right side
    111,953.73x = 8,183,706,174.68
  5. Step 5: Solve for x
    x = 8,183,706,174.68/111,953.73
  6. Step 6: Final answer
    x = 73,099.00

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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.