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Finding the Fourth Proportional to 111,662.65, 167,457.97 and 36,764.96

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Solution

The fourth proportional to 111,662.65, 167,457.97 and 36,764.96 is: 55,135.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,662.65 : 167,457.97 = 36,764.96 : x
  2. Step 2: Convert to fraction form
    111,662.65/167,457.97 = 36,764.96/x
  3. Step 3: Cross multiply
    111,662.65x = 167,457.97 × 36,764.96
  4. Step 4: Simplify right side
    111,662.65x = 6,156,585,568.73
  5. Step 5: Solve for x
    x = 6,156,585,568.73/111,662.65
  6. Step 6: Final answer
    x = 55,135.59

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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.