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Finding the Fourth Proportional to 251,083.72, 376,584.01 and 82,606.13

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Solution

The fourth proportional to 251,083.72, 376,584.01 and 82,606.13 is: 123,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,083.72 : 376,584.01 = 82,606.13 : x
  2. Step 2: Convert to fraction form
    251,083.72/376,584.01 = 82,606.13/x
  3. Step 3: Cross multiply
    251,083.72x = 376,584.01 × 82,606.13
  4. Step 4: Simplify right side
    251,083.72x = 31,108,147,241.07
  5. Step 5: Solve for x
    x = 31,108,147,241.07/251,083.72
  6. Step 6: Final answer
    x = 123,895.51

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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.