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Finding the Fourth Proportional to 111,728.30, 167,594.26 and 27,488.68

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Solution

The fourth proportional to 111,728.30, 167,594.26 and 27,488.68 is: 41,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,728.30 : 167,594.26 = 27,488.68 : x
  2. Step 2: Convert to fraction form
    111,728.30/167,594.26 = 27,488.68/x
  3. Step 3: Cross multiply
    111,728.30x = 167,594.26 × 27,488.68
  4. Step 4: Simplify right side
    111,728.30x = 4,606,944,982.98
  5. Step 5: Solve for x
    x = 4,606,944,982.98/111,728.30
  6. Step 6: Final answer
    x = 41,233.47

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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.