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Finding the Fourth Proportional to 192,500.10, 288,422.10 and 164,287.80

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Solution

The fourth proportional to 192,500.10, 288,422.10 and 164,287.80 is: 246,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,500.10 : 288,422.10 = 164,287.80 : x
  2. Step 2: Convert to fraction form
    192,500.10/288,422.10 = 164,287.80/x
  3. Step 3: Cross multiply
    192,500.10x = 288,422.10 × 164,287.80
  4. Step 4: Simplify right side
    192,500.10x = 47,384,232,280.38
  5. Step 5: Solve for x
    x = 47,384,232,280.38/192,500.10
  6. Step 6: Final answer
    x = 246,151.73

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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.