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Finding the Fourth Proportional to 111,767.58, 167,679.30 and 36,891.96

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Solution

The fourth proportional to 111,767.58, 167,679.30 and 36,891.96 is: 55,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,767.58 : 167,679.30 = 36,891.96 : x
  2. Step 2: Convert to fraction form
    111,767.58/167,679.30 = 36,891.96/x
  3. Step 3: Cross multiply
    111,767.58x = 167,679.30 × 36,891.96
  4. Step 4: Simplify right side
    111,767.58x = 6,186,018,028.43
  5. Step 5: Solve for x
    x = 6,186,018,028.43/111,767.58
  6. Step 6: Final answer
    x = 55,347.16

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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.