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Finding the Fourth Proportional to 343,464.97, 515,260.82 and 106,792.33

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Solution

The fourth proportional to 343,464.97, 515,260.82 and 106,792.33 is: 160,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,464.97 : 515,260.82 = 106,792.33 : x
  2. Step 2: Convert to fraction form
    343,464.97/515,260.82 = 106,792.33/x
  3. Step 3: Cross multiply
    343,464.97x = 515,260.82 × 106,792.33
  4. Step 4: Simplify right side
    343,464.97x = 55,025,902,991.55
  5. Step 5: Solve for x
    x = 55,025,902,991.55/343,464.97
  6. Step 6: Final answer
    x = 160,208.20

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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.