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Finding the Fourth Proportional to 251,242.29, 376,888.04 and 82,693.85

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Solution

The fourth proportional to 251,242.29, 376,888.04 and 82,693.85 is: 124,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,242.29 : 376,888.04 = 82,693.85 : x
  2. Step 2: Convert to fraction form
    251,242.29/376,888.04 = 82,693.85/x
  3. Step 3: Cross multiply
    251,242.29x = 376,888.04 × 82,693.85
  4. Step 4: Simplify right side
    251,242.29x = 31,166,321,058.75
  5. Step 5: Solve for x
    x = 31,166,321,058.75/251,242.29
  6. Step 6: Final answer
    x = 124,048.87

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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.