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Finding the Fourth Proportional to 297,093.06, 445,608 and 83,855.70

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Solution

The fourth proportional to 297,093.06, 445,608 and 83,855.70 is: 125,774.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,093.06 : 445,608 = 83,855.70 : x
  2. Step 2: Convert to fraction form
    297,093.06/445,608 = 83,855.70/x
  3. Step 3: Cross multiply
    297,093.06x = 445,608 × 83,855.70
  4. Step 4: Simplify right side
    297,093.06x = 37,366,770,765.60
  5. Step 5: Solve for x
    x = 37,366,770,765.60/297,093.06
  6. Step 6: Final answer
    x = 125,774.63

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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.