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Finding the Fourth Proportional to 203,877,016.20, 305,815,524.30 and 203,877,016.20

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Solution

The fourth proportional to 203,877,016.20, 305,815,524.30 and 203,877,016.20 is: 305,815,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,877,016.20 : 305,815,524.30 = 203,877,016.20 : x
  2. Step 2: Convert to fraction form
    203,877,016.20/305,815,524.30 = 203,877,016.20/x
  3. Step 3: Cross multiply
    203,877,016.20x = 305,815,524.30 × 203,877,016.20
  4. Step 4: Simplify right side
    203,877,016.20x = 62,348,756,601,922,592
  5. Step 5: Solve for x
    x = 62,348,756,601,922,592/203,877,016.20
  6. Step 6: Final answer
    x = 305,815,524.30

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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.