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Finding the Fourth Proportional to 111,791.65, 167,669.24 and 32,887.43

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Solution

The fourth proportional to 111,791.65, 167,669.24 and 32,887.43 is: 49,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,791.65 : 167,669.24 = 32,887.43 : x
  2. Step 2: Convert to fraction form
    111,791.65/167,669.24 = 32,887.43/x
  3. Step 3: Cross multiply
    111,791.65x = 167,669.24 × 32,887.43
  4. Step 4: Simplify right side
    111,791.65x = 5,514,210,393.65
  5. Step 5: Solve for x
    x = 5,514,210,393.65/111,791.65
  6. Step 6: Final answer
    x = 49,325.78

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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.