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Finding the Fourth Proportional to 74,049.08, 102,081.45 and 52,791.44

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Solution

The fourth proportional to 74,049.08, 102,081.45 and 52,791.44 is: 72,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,049.08 : 102,081.45 = 52,791.44 : x
  2. Step 2: Convert to fraction form
    74,049.08/102,081.45 = 52,791.44/x
  3. Step 3: Cross multiply
    74,049.08x = 102,081.45 × 52,791.44
  4. Step 4: Simplify right side
    74,049.08x = 5,389,026,997.99
  5. Step 5: Solve for x
    x = 5,389,026,997.99/74,049.08
  6. Step 6: Final answer
    x = 72,776.42

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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.