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Finding the Fourth Proportional to 193,976.60, 267,647.60 and 113,388.54

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Solution

The fourth proportional to 193,976.60, 267,647.60 and 113,388.54 is: 156,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,976.60 : 267,647.60 = 113,388.54 : x
  2. Step 2: Convert to fraction form
    193,976.60/267,647.60 = 113,388.54/x
  3. Step 3: Cross multiply
    193,976.60x = 267,647.60 × 113,388.54
  4. Step 4: Simplify right side
    193,976.60x = 30,348,170,598.50
  5. Step 5: Solve for x
    x = 30,348,170,598.50/193,976.60
  6. Step 6: Final answer
    x = 156,452.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.