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Finding the Fourth Proportional to 226,505.84, 339,760.82 and 68,734.30

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Solution

The fourth proportional to 226,505.84, 339,760.82 and 68,734.30 is: 103,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,505.84 : 339,760.82 = 68,734.30 : x
  2. Step 2: Convert to fraction form
    226,505.84/339,760.82 = 68,734.30/x
  3. Step 3: Cross multiply
    226,505.84x = 339,760.82 × 68,734.30
  4. Step 4: Simplify right side
    226,505.84x = 23,353,222,130.13
  5. Step 5: Solve for x
    x = 23,353,222,130.13/226,505.84
  6. Step 6: Final answer
    x = 103,102.08

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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.