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Finding the Fourth Proportional to 92,978,408.30, 139,467,611.75 and 33,895,219.68

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Solution

The fourth proportional to 92,978,408.30, 139,467,611.75 and 33,895,219.68 is: 50,842,829.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,978,408.30 : 139,467,611.75 = 33,895,219.68 : x
  2. Step 2: Convert to fraction form
    92,978,408.30/139,467,611.75 = 33,895,219.68/x
  3. Step 3: Cross multiply
    92,978,408.30x = 139,467,611.75 × 33,895,219.68
  4. Step 4: Simplify right side
    92,978,408.30x = 4,727,285,338,341,723
  5. Step 5: Solve for x
    x = 4,727,285,338,341,723/92,978,408.30
  6. Step 6: Final answer
    x = 50,842,829.27

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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.