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Finding the Fourth Proportional to 251,261.01, 376,949.82 and 82,775.31

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Solution

The fourth proportional to 251,261.01, 376,949.82 and 82,775.31 is: 124,182.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,261.01 : 376,949.82 = 82,775.31 : x
  2. Step 2: Convert to fraction form
    251,261.01/376,949.82 = 82,775.31/x
  3. Step 3: Cross multiply
    251,261.01x = 376,949.82 × 82,775.31
  4. Step 4: Simplify right side
    251,261.01x = 31,202,138,204.94
  5. Step 5: Solve for x
    x = 31,202,138,204.94/251,261.01
  6. Step 6: Final answer
    x = 124,182.17

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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.