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Finding the Fourth Proportional to 73,100, 100,880.45 and 44,800.22

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Solution

The fourth proportional to 73,100, 100,880.45 and 44,800.22 is: 61,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,100 : 100,880.45 = 44,800.22 : x
  2. Step 2: Convert to fraction form
    73,100/100,880.45 = 44,800.22/x
  3. Step 3: Cross multiply
    73,100x = 100,880.45 × 44,800.22
  4. Step 4: Simplify right side
    73,100x = 4,519,466,353.70
  5. Step 5: Solve for x
    x = 4,519,466,353.70/73,100
  6. Step 6: Final answer
    x = 61,825.81

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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.