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Finding the Fourth Proportional to 226,381, 339,054.42 and 108,136

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Solution

The fourth proportional to 226,381, 339,054.42 and 108,136 is: 161,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,381 : 339,054.42 = 108,136 : x
  2. Step 2: Convert to fraction form
    226,381/339,054.42 = 108,136/x
  3. Step 3: Cross multiply
    226,381x = 339,054.42 × 108,136
  4. Step 4: Simplify right side
    226,381x = 36,663,988,761.12
  5. Step 5: Solve for x
    x = 36,663,988,761.12/226,381
  6. Step 6: Final answer
    x = 161,957.01

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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.