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Finding the Fourth Proportional to 273,975.08, 410,961.60 and 74,294.96

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Solution

The fourth proportional to 273,975.08, 410,961.60 and 74,294.96 is: 111,442.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,975.08 : 410,961.60 = 74,294.96 : x
  2. Step 2: Convert to fraction form
    273,975.08/410,961.60 = 74,294.96/x
  3. Step 3: Cross multiply
    273,975.08x = 410,961.60 × 74,294.96
  4. Step 4: Simplify right side
    273,975.08x = 30,532,373,578.73
  5. Step 5: Solve for x
    x = 30,532,373,578.73/273,975.08
  6. Step 6: Final answer
    x = 111,442.16

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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.