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Finding the Fourth Proportional to 192,967,218.60, 270,870,742.20 and 192,967,218.60

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Solution

The fourth proportional to 192,967,218.60, 270,870,742.20 and 192,967,218.60 is: 270,870,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,967,218.60 : 270,870,742.20 = 192,967,218.60 : x
  2. Step 2: Convert to fraction form
    192,967,218.60/270,870,742.20 = 192,967,218.60/x
  3. Step 3: Cross multiply
    192,967,218.60x = 270,870,742.20 × 192,967,218.60
  4. Step 4: Simplify right side
    192,967,218.60x = 52,269,173,722,451,640
  5. Step 5: Solve for x
    x = 52,269,173,722,451,640/192,967,218.60
  6. Step 6: Final answer
    x = 270,870,742.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.