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Finding the Fourth Proportional to 193,745.67, 267,360.64 and 107,704.45

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Solution

The fourth proportional to 193,745.67, 267,360.64 and 107,704.45 is: 148,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,745.67 : 267,360.64 = 107,704.45 : x
  2. Step 2: Convert to fraction form
    193,745.67/267,360.64 = 107,704.45/x
  3. Step 3: Cross multiply
    193,745.67x = 267,360.64 × 107,704.45
  4. Step 4: Simplify right side
    193,745.67x = 28,795,930,682.85
  5. Step 5: Solve for x
    x = 28,795,930,682.85/193,745.67
  6. Step 6: Final answer
    x = 148,627.48

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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.