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Finding the Fourth Proportional to 251,180.30, 376,695.30 and 82,669.52

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Solution

The fourth proportional to 251,180.30, 376,695.30 and 82,669.52 is: 123,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,180.30 : 376,695.30 = 82,669.52 : x
  2. Step 2: Convert to fraction form
    251,180.30/376,695.30 = 82,669.52/x
  3. Step 3: Cross multiply
    251,180.30x = 376,695.30 × 82,669.52
  4. Step 4: Simplify right side
    251,180.30x = 31,141,219,637.26
  5. Step 5: Solve for x
    x = 31,141,219,637.26/251,180.30
  6. Step 6: Final answer
    x = 123,979.55

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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.