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Finding the Fourth Proportional to 248,954.94, 343,553.67 and 135,770.94

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Solution

The fourth proportional to 248,954.94, 343,553.67 and 135,770.94 is: 187,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,954.94 : 343,553.67 = 135,770.94 : x
  2. Step 2: Convert to fraction form
    248,954.94/343,553.67 = 135,770.94/x
  3. Step 3: Cross multiply
    248,954.94x = 343,553.67 × 135,770.94
  4. Step 4: Simplify right side
    248,954.94x = 46,644,604,716.35
  5. Step 5: Solve for x
    x = 46,644,604,716.35/248,954.94
  6. Step 6: Final answer
    x = 187,361.64

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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.