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Finding the Fourth Proportional to 192,504.94, 288,563.54 and 80,247.30

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Solution

The fourth proportional to 192,504.94, 288,563.54 and 80,247.30 is: 120,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,504.94 : 288,563.54 = 80,247.30 : x
  2. Step 2: Convert to fraction form
    192,504.94/288,563.54 = 80,247.30/x
  3. Step 3: Cross multiply
    192,504.94x = 288,563.54 × 80,247.30
  4. Step 4: Simplify right side
    192,504.94x = 23,156,444,963.44
  5. Step 5: Solve for x
    x = 23,156,444,963.44/192,504.94
  6. Step 6: Final answer
    x = 120,290.13

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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.