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Finding the Fourth Proportional to 251,282.58, 376,979.43 and 82,796.10

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Solution

The fourth proportional to 251,282.58, 376,979.43 and 82,796.10 is: 124,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,282.58 : 376,979.43 = 82,796.10 : x
  2. Step 2: Convert to fraction form
    251,282.58/376,979.43 = 82,796.10/x
  3. Step 3: Cross multiply
    251,282.58x = 376,979.43 × 82,796.10
  4. Step 4: Simplify right side
    251,282.58x = 31,212,426,584.22
  5. Step 5: Solve for x
    x = 31,212,426,584.22/251,282.58
  6. Step 6: Final answer
    x = 124,212.46

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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.