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Finding the Fourth Proportional to 167,367.59, 230,972.60 and 91,916.09

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Solution

The fourth proportional to 167,367.59, 230,972.60 and 91,916.09 is: 126,847.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,367.59 : 230,972.60 = 91,916.09 : x
  2. Step 2: Convert to fraction form
    167,367.59/230,972.60 = 91,916.09/x
  3. Step 3: Cross multiply
    167,367.59x = 230,972.60 × 91,916.09
  4. Step 4: Simplify right side
    167,367.59x = 21,230,098,289.13
  5. Step 5: Solve for x
    x = 21,230,098,289.13/167,367.59
  6. Step 6: Final answer
    x = 126,847.13

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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.