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Finding the Fourth Proportional to 193,163.60, 289,745.40 and 164,003.60

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Solution

The fourth proportional to 193,163.60, 289,745.40 and 164,003.60 is: 246,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,163.60 : 289,745.40 = 164,003.60 : x
  2. Step 2: Convert to fraction form
    193,163.60/289,745.40 = 164,003.60/x
  3. Step 3: Cross multiply
    193,163.60x = 289,745.40 × 164,003.60
  4. Step 4: Simplify right side
    193,163.60x = 47,519,288,683.44
  5. Step 5: Solve for x
    x = 47,519,288,683.44/193,163.60
  6. Step 6: Final answer
    x = 246,005.40

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1.5x scale

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.