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Finding the Fourth Proportional to 140,940,247.80, 211,410,371.70 and 140,940,247.80

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Solution

The fourth proportional to 140,940,247.80, 211,410,371.70 and 140,940,247.80 is: 211,410,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,940,247.80 : 211,410,371.70 = 140,940,247.80 : x
  2. Step 2: Convert to fraction form
    140,940,247.80/211,410,371.70 = 140,940,247.80/x
  3. Step 3: Cross multiply
    140,940,247.80x = 211,410,371.70 × 140,940,247.80
  4. Step 4: Simplify right side
    140,940,247.80x = 29,796,230,174,888,108
  5. Step 5: Solve for x
    x = 29,796,230,174,888,108/140,940,247.80
  6. Step 6: Final answer
    x = 211,410,371.70

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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.