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Finding the Fourth Proportional to 68,691,213.83, 94,794,799.37 and 37,329,885.33

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Solution

The fourth proportional to 68,691,213.83, 94,794,799.37 and 37,329,885.33 is: 51,515,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,691,213.83 : 94,794,799.37 = 37,329,885.33 : x
  2. Step 2: Convert to fraction form
    68,691,213.83/94,794,799.37 = 37,329,885.33/x
  3. Step 3: Cross multiply
    68,691,213.83x = 94,794,799.37 × 37,329,885.33
  4. Step 4: Simplify right side
    68,691,213.83x = 3,538,678,990,175,806.50
  5. Step 5: Solve for x
    x = 3,538,678,990,175,806.50/68,691,213.83
  6. Step 6: Final answer
    x = 51,515,744.05

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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.