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Finding the Fourth Proportional to 251,158.32, 376,768.44 and 82,635.30

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Solution

The fourth proportional to 251,158.32, 376,768.44 and 82,635.30 is: 123,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,158.32 : 376,768.44 = 82,635.30 : x
  2. Step 2: Convert to fraction form
    251,158.32/376,768.44 = 82,635.30/x
  3. Step 3: Cross multiply
    251,158.32x = 376,768.44 × 82,635.30
  4. Step 4: Simplify right side
    251,158.32x = 31,134,373,069.93
  5. Step 5: Solve for x
    x = 31,134,373,069.93/251,158.32
  6. Step 6: Final answer
    x = 123,963.14

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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.