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Finding the Fourth Proportional to 344,194.26, 516,423.78 and 166,687.62

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Solution

The fourth proportional to 344,194.26, 516,423.78 and 166,687.62 is: 250,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,194.26 : 516,423.78 = 166,687.62 : x
  2. Step 2: Convert to fraction form
    344,194.26/516,423.78 = 166,687.62/x
  3. Step 3: Cross multiply
    344,194.26x = 516,423.78 × 166,687.62
  4. Step 4: Simplify right side
    344,194.26x = 86,081,450,799.60
  5. Step 5: Solve for x
    x = 86,081,450,799.60/344,194.26
  6. Step 6: Final answer
    x = 250,095.54

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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.