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Finding the Fourth Proportional to 201,976,678.62, 303,052,508.87 and 108,494,571.60

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Solution

The fourth proportional to 201,976,678.62, 303,052,508.87 and 108,494,571.60 is: 162,788,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,976,678.62 : 303,052,508.87 = 108,494,571.60 : x
  2. Step 2: Convert to fraction form
    201,976,678.62/303,052,508.87 = 108,494,571.60/x
  3. Step 3: Cross multiply
    201,976,678.62x = 303,052,508.87 × 108,494,571.60
  4. Step 4: Simplify right side
    201,976,678.62x = 32,879,552,121,613,376
  5. Step 5: Solve for x
    x = 32,879,552,121,613,376/201,976,678.62
  6. Step 6: Final answer
    x = 162,788,854.37

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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.