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Finding the Fourth Proportional to 251,155.05, 376,702.74 and 82,633.59

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Solution

The fourth proportional to 251,155.05, 376,702.74 and 82,633.59 is: 123,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,155.05 : 376,702.74 = 82,633.59 : x
  2. Step 2: Convert to fraction form
    251,155.05/376,702.74 = 82,633.59/x
  3. Step 3: Cross multiply
    251,155.05x = 376,702.74 × 82,633.59
  4. Step 4: Simplify right side
    251,155.05x = 31,128,299,769.04
  5. Step 5: Solve for x
    x = 31,128,299,769.04/251,155.05
  6. Step 6: Final answer
    x = 123,940.57

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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.