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Finding the Fourth Proportional to 283,571,191.20, 425,356,786.80 and 110,990,647.20

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Solution

The fourth proportional to 283,571,191.20, 425,356,786.80 and 110,990,647.20 is: 166,485,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,571,191.20 : 425,356,786.80 = 110,990,647.20 : x
  2. Step 2: Convert to fraction form
    283,571,191.20/425,356,786.80 = 110,990,647.20/x
  3. Step 3: Cross multiply
    283,571,191.20x = 425,356,786.80 × 110,990,647.20
  4. Step 4: Simplify right side
    283,571,191.20x = 47,210,625,057,844,416
  5. Step 5: Solve for x
    x = 47,210,625,057,844,416/283,571,191.20
  6. Step 6: Final answer
    x = 166,485,970.80

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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.