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Finding the Fourth Proportional to 73,711.66, 101,722.12 and 41,880.60

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Solution

The fourth proportional to 73,711.66, 101,722.12 and 41,880.60 is: 57,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,711.66 : 101,722.12 = 41,880.60 : x
  2. Step 2: Convert to fraction form
    73,711.66/101,722.12 = 41,880.60/x
  3. Step 3: Cross multiply
    73,711.66x = 101,722.12 × 41,880.60
  4. Step 4: Simplify right side
    73,711.66x = 4,260,183,418.87
  5. Step 5: Solve for x
    x = 4,260,183,418.87/73,711.66
  6. Step 6: Final answer
    x = 57,795.24

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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.