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Finding the Fourth Proportional to 79,855,266.80, 110,200,600.32 and 43,185,837.80

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Solution

The fourth proportional to 79,855,266.80, 110,200,600.32 and 43,185,837.80 is: 59,596,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,855,266.80 : 110,200,600.32 = 43,185,837.80 : x
  2. Step 2: Convert to fraction form
    79,855,266.80/110,200,600.32 = 43,185,837.80/x
  3. Step 3: Cross multiply
    79,855,266.80x = 110,200,600.32 × 43,185,837.80
  4. Step 4: Simplify right side
    79,855,266.80x = 4,759,105,250,882,147
  5. Step 5: Solve for x
    x = 4,759,105,250,882,147/79,855,266.80
  6. Step 6: Final answer
    x = 59,596,635.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.