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Finding the Fourth Proportional to 190,611,229.20, 285,916,843.80 and 190,611,229.20

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Solution

The fourth proportional to 190,611,229.20, 285,916,843.80 and 190,611,229.20 is: 285,916,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,611,229.20 : 285,916,843.80 = 190,611,229.20 : x
  2. Step 2: Convert to fraction form
    190,611,229.20/285,916,843.80 = 190,611,229.20/x
  3. Step 3: Cross multiply
    190,611,229.20x = 285,916,843.80 × 190,611,229.20
  4. Step 4: Simplify right side
    190,611,229.20x = 54,498,961,045,702,400
  5. Step 5: Solve for x
    x = 54,498,961,045,702,400/190,611,229.20
  6. Step 6: Final answer
    x = 285,916,843.80

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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.