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Finding the Fourth Proportional to 111,695.27, 167,540.58 and 36,819.89

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Solution

The fourth proportional to 111,695.27, 167,540.58 and 36,819.89 is: 55,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,695.27 : 167,540.58 = 36,819.89 : x
  2. Step 2: Convert to fraction form
    111,695.27/167,540.58 = 36,819.89/x
  3. Step 3: Cross multiply
    111,695.27x = 167,540.58 × 36,819.89
  4. Step 4: Simplify right side
    111,695.27x = 6,168,825,726.14
  5. Step 5: Solve for x
    x = 6,168,825,726.14/111,695.27
  6. Step 6: Final answer
    x = 55,229.07

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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.