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Finding the Fourth Proportional to 344,825.91, 517,238.46 and 108,186.84

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Solution

The fourth proportional to 344,825.91, 517,238.46 and 108,186.84 is: 162,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,825.91 : 517,238.46 = 108,186.84 : x
  2. Step 2: Convert to fraction form
    344,825.91/517,238.46 = 108,186.84/x
  3. Step 3: Cross multiply
    344,825.91x = 517,238.46 × 108,186.84
  4. Step 4: Simplify right side
    344,825.91x = 55,958,394,513.87
  5. Step 5: Solve for x
    x = 55,958,394,513.87/344,825.91
  6. Step 6: Final answer
    x = 162,280.13

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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.