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Finding the Fourth Proportional to 103,670.77, 155,504.31 and 33,550.15

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Solution

The fourth proportional to 103,670.77, 155,504.31 and 33,550.15 is: 50,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,670.77 : 155,504.31 = 33,550.15 : x
  2. Step 2: Convert to fraction form
    103,670.77/155,504.31 = 33,550.15/x
  3. Step 3: Cross multiply
    103,670.77x = 155,504.31 × 33,550.15
  4. Step 4: Simplify right side
    103,670.77x = 5,217,192,926.15
  5. Step 5: Solve for x
    x = 5,217,192,926.15/103,670.77
  6. Step 6: Final answer
    x = 50,324.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.