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Finding the Fourth Proportional to 73,249.44, 109,874.64 and 48,446.16

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Solution

The fourth proportional to 73,249.44, 109,874.64 and 48,446.16 is: 72,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,249.44 : 109,874.64 = 48,446.16 : x
  2. Step 2: Convert to fraction form
    73,249.44/109,874.64 = 48,446.16/x
  3. Step 3: Cross multiply
    73,249.44x = 109,874.64 × 48,446.16
  4. Step 4: Simplify right side
    73,249.44x = 5,323,004,389.38
  5. Step 5: Solve for x
    x = 5,323,004,389.38/73,249.44
  6. Step 6: Final answer
    x = 72,669.56

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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.