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Finding the Fourth Proportional to 111,894.70, 167,844.30 and 41,760.02

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Solution

The fourth proportional to 111,894.70, 167,844.30 and 41,760.02 is: 62,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,894.70 : 167,844.30 = 41,760.02 : x
  2. Step 2: Convert to fraction form
    111,894.70/167,844.30 = 41,760.02/x
  3. Step 3: Cross multiply
    111,894.70x = 167,844.30 × 41,760.02
  4. Step 4: Simplify right side
    111,894.70x = 7,009,181,324.89
  5. Step 5: Solve for x
    x = 7,009,181,324.89/111,894.70
  6. Step 6: Final answer
    x = 62,640.87

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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.