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Finding the Fourth Proportional to 111,461.44, 167,249.49 and 74,047.36

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Solution

The fourth proportional to 111,461.44, 167,249.49 and 74,047.36 is: 111,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,461.44 : 167,249.49 = 74,047.36 : x
  2. Step 2: Convert to fraction form
    111,461.44/167,249.49 = 74,047.36/x
  3. Step 3: Cross multiply
    111,461.44x = 167,249.49 × 74,047.36
  4. Step 4: Simplify right side
    111,461.44x = 12,384,383,195.85
  5. Step 5: Solve for x
    x = 12,384,383,195.85/111,461.44
  6. Step 6: Final answer
    x = 111,109.13

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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.