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Finding the Fourth Proportional to 251,242.82, 376,783.25 and 82,723.04

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Solution

The fourth proportional to 251,242.82, 376,783.25 and 82,723.04 is: 124,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,242.82 : 376,783.25 = 82,723.04 : x
  2. Step 2: Convert to fraction form
    251,242.82/376,783.25 = 82,723.04/x
  3. Step 3: Cross multiply
    251,242.82x = 376,783.25 × 82,723.04
  4. Step 4: Simplify right side
    251,242.82x = 31,168,653,563.55
  5. Step 5: Solve for x
    x = 31,168,653,563.55/251,242.82
  6. Step 6: Final answer
    x = 124,057.89

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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.