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Finding the Fourth Proportional to 68,163,906.30, 102,245,859.45 and 22,105,686.30

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Solution

The fourth proportional to 68,163,906.30, 102,245,859.45 and 22,105,686.30 is: 33,158,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,163,906.30 : 102,245,859.45 = 22,105,686.30 : x
  2. Step 2: Convert to fraction form
    68,163,906.30/102,245,859.45 = 22,105,686.30/x
  3. Step 3: Cross multiply
    68,163,906.30x = 102,245,859.45 × 22,105,686.30
  4. Step 4: Simplify right side
    68,163,906.30x = 2,260,214,894,475,590.50
  5. Step 5: Solve for x
    x = 2,260,214,894,475,590.50/68,163,906.30
  6. Step 6: Final answer
    x = 33,158,529.45

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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.