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Finding the Fourth Proportional to 192,506.83, 288,519.67 and 92,640.21

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Solution

The fourth proportional to 192,506.83, 288,519.67 and 92,640.21 is: 138,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,506.83 : 288,519.67 = 92,640.21 : x
  2. Step 2: Convert to fraction form
    192,506.83/288,519.67 = 92,640.21/x
  3. Step 3: Cross multiply
    192,506.83x = 288,519.67 × 92,640.21
  4. Step 4: Simplify right side
    192,506.83x = 26,728,521,851.78
  5. Step 5: Solve for x
    x = 26,728,521,851.78/192,506.83
  6. Step 6: Final answer
    x = 138,844.54

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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.