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Finding the Fourth Proportional to 251,163.34, 376,800.48 and 82,676.86

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Solution

The fourth proportional to 251,163.34, 376,800.48 and 82,676.86 is: 124,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,163.34 : 376,800.48 = 82,676.86 : x
  2. Step 2: Convert to fraction form
    251,163.34/376,800.48 = 82,676.86/x
  3. Step 3: Cross multiply
    251,163.34x = 376,800.48 × 82,676.86
  4. Step 4: Simplify right side
    251,163.34x = 31,152,680,532.89
  5. Step 5: Solve for x
    x = 31,152,680,532.89/251,163.34
  6. Step 6: Final answer
    x = 124,033.55

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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.