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Finding the Fourth Proportional to 80,768.94, 111,455.76 and 44,958.03

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Solution

The fourth proportional to 80,768.94, 111,455.76 and 44,958.03 is: 62,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,768.94 : 111,455.76 = 44,958.03 : x
  2. Step 2: Convert to fraction form
    80,768.94/111,455.76 = 44,958.03/x
  3. Step 3: Cross multiply
    80,768.94x = 111,455.76 × 44,958.03
  4. Step 4: Simplify right side
    80,768.94x = 5,010,831,401.75
  5. Step 5: Solve for x
    x = 5,010,831,401.75/80,768.94
  6. Step 6: Final answer
    x = 62,039.09

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Why These Related Problems?

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