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Finding the Fourth Proportional to 192,797.60, 289,196.40 and 173,163.20

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Solution

The fourth proportional to 192,797.60, 289,196.40 and 173,163.20 is: 259,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,797.60 : 289,196.40 = 173,163.20 : x
  2. Step 2: Convert to fraction form
    192,797.60/289,196.40 = 173,163.20/x
  3. Step 3: Cross multiply
    192,797.60x = 289,196.40 × 173,163.20
  4. Step 4: Simplify right side
    192,797.60x = 50,078,174,052.48
  5. Step 5: Solve for x
    x = 50,078,174,052.48/192,797.60
  6. Step 6: Final answer
    x = 259,744.80

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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.