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Finding the Fourth Proportional to 69,701,906.20, 104,552,859.30 and 35,611,922.20

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Solution

The fourth proportional to 69,701,906.20, 104,552,859.30 and 35,611,922.20 is: 53,417,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,701,906.20 : 104,552,859.30 = 35,611,922.20 : x
  2. Step 2: Convert to fraction form
    69,701,906.20/104,552,859.30 = 35,611,922.20/x
  3. Step 3: Cross multiply
    69,701,906.20x = 104,552,859.30 × 35,611,922.20
  4. Step 4: Simplify right side
    69,701,906.20x = 3,723,328,291,179,146.50
  5. Step 5: Solve for x
    x = 3,723,328,291,179,146.50/69,701,906.20
  6. Step 6: Final answer
    x = 53,417,883.30

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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.