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Finding the Fourth Proportional to 192,943.33, 289,415.12 and 80,562.24

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Solution

The fourth proportional to 192,943.33, 289,415.12 and 80,562.24 is: 120,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,943.33 : 289,415.12 = 80,562.24 : x
  2. Step 2: Convert to fraction form
    192,943.33/289,415.12 = 80,562.24/x
  3. Step 3: Cross multiply
    192,943.33x = 289,415.12 × 80,562.24
  4. Step 4: Simplify right side
    192,943.33x = 23,315,930,357.07
  5. Step 5: Solve for x
    x = 23,315,930,357.07/192,943.33
  6. Step 6: Final answer
    x = 120,843.41

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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.