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Finding the Fourth Proportional to 206,857,976.67, 285,466,208.04 and 114,041,806.02

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Solution

The fourth proportional to 206,857,976.67, 285,466,208.04 and 114,041,806.02 is: 157,378,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,857,976.67 : 285,466,208.04 = 114,041,806.02 : x
  2. Step 2: Convert to fraction form
    206,857,976.67/285,466,208.04 = 114,041,806.02/x
  3. Step 3: Cross multiply
    206,857,976.67x = 285,466,208.04 × 114,041,806.02
  4. Step 4: Simplify right side
    206,857,976.67x = 32,555,081,922,562,644
  5. Step 5: Solve for x
    x = 32,555,081,922,562,644/206,857,976.67
  6. Step 6: Final answer
    x = 157,378,905.31

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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.