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Finding the Fourth Proportional to 150,606,640.80, 225,909,961.26 and 150,606,640.80

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Solution

The fourth proportional to 150,606,640.80, 225,909,961.26 and 150,606,640.80 is: 225,909,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,606,640.80 : 225,909,961.26 = 150,606,640.80 : x
  2. Step 2: Convert to fraction form
    150,606,640.80/225,909,961.26 = 150,606,640.80/x
  3. Step 3: Cross multiply
    150,606,640.80x = 225,909,961.26 × 150,606,640.80
  4. Step 4: Simplify right side
    150,606,640.80x = 34,023,540,388,626,736
  5. Step 5: Solve for x
    x = 34,023,540,388,626,736/150,606,640.80
  6. Step 6: Final answer
    x = 225,909,961.26

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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.