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Finding the Fourth Proportional to 73,832.37, 110,172.41 and 65,880.12

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Solution

The fourth proportional to 73,832.37, 110,172.41 and 65,880.12 is: 98,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,832.37 : 110,172.41 = 65,880.12 : x
  2. Step 2: Convert to fraction form
    73,832.37/110,172.41 = 65,880.12/x
  3. Step 3: Cross multiply
    73,832.37x = 110,172.41 × 65,880.12
  4. Step 4: Simplify right side
    73,832.37x = 7,258,171,487.85
  5. Step 5: Solve for x
    x = 7,258,171,487.85/73,832.37
  6. Step 6: Final answer
    x = 98,306.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.