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Finding the Fourth Proportional to 192,960.67, 266,286.54 and 112,443.43

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Solution

The fourth proportional to 192,960.67, 266,286.54 and 112,443.43 is: 155,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,960.67 : 266,286.54 = 112,443.43 : x
  2. Step 2: Convert to fraction form
    192,960.67/266,286.54 = 112,443.43/x
  3. Step 3: Cross multiply
    192,960.67x = 266,286.54 × 112,443.43
  4. Step 4: Simplify right side
    192,960.67x = 29,942,171,920.43
  5. Step 5: Solve for x
    x = 29,942,171,920.43/192,960.67
  6. Step 6: Final answer
    x = 155,172.41

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1.5x scale

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.