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Finding the Fourth Proportional to 168,004.50, 231,846.21 and 92,554.62

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Solution

The fourth proportional to 168,004.50, 231,846.21 and 92,554.62 is: 127,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,004.50 : 231,846.21 = 92,554.62 : x
  2. Step 2: Convert to fraction form
    168,004.50/231,846.21 = 92,554.62/x
  3. Step 3: Cross multiply
    168,004.50x = 231,846.21 × 92,554.62
  4. Step 4: Simplify right side
    168,004.50x = 21,458,437,864.99
  5. Step 5: Solve for x
    x = 21,458,437,864.99/168,004.50
  6. Step 6: Final answer
    x = 127,725.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.