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Finding the Fourth Proportional to 12,073,442.96, 16,659,839.05 and 8,161,710.24

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Solution

The fourth proportional to 12,073,442.96, 16,659,839.05 and 8,161,710.24 is: 11,262,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,442.96 : 16,659,839.05 = 8,161,710.24 : x
  2. Step 2: Convert to fraction form
    12,073,442.96/16,659,839.05 = 8,161,710.24/x
  3. Step 3: Cross multiply
    12,073,442.96x = 16,659,839.05 × 8,161,710.24
  4. Step 4: Simplify right side
    12,073,442.96x = 135,972,778,971,136.88
  5. Step 5: Solve for x
    x = 135,972,778,971,136.88/12,073,442.96
  6. Step 6: Final answer
    x = 11,262,137.85

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