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Finding the Fourth Proportional to 251,940.38, 377,917.85 and 64,951.88

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Solution

The fourth proportional to 251,940.38, 377,917.85 and 64,951.88 is: 97,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,940.38 : 377,917.85 = 64,951.88 : x
  2. Step 2: Convert to fraction form
    251,940.38/377,917.85 = 64,951.88/x
  3. Step 3: Cross multiply
    251,940.38x = 377,917.85 × 64,951.88
  4. Step 4: Simplify right side
    251,940.38x = 24,546,473,115.85
  5. Step 5: Solve for x
    x = 24,546,473,115.85/251,940.38
  6. Step 6: Final answer
    x = 97,429.69

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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.