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Finding the Fourth Proportional to 73,711.16, 101,721.40 and 41,880.10

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Solution

The fourth proportional to 73,711.16, 101,721.40 and 41,880.10 is: 57,794.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,711.16 : 101,721.40 = 41,880.10 : x
  2. Step 2: Convert to fraction form
    73,711.16/101,721.40 = 41,880.10/x
  3. Step 3: Cross multiply
    73,711.16x = 101,721.40 × 41,880.10
  4. Step 4: Simplify right side
    73,711.16x = 4,260,102,404.14
  5. Step 5: Solve for x
    x = 4,260,102,404.14/73,711.16
  6. Step 6: Final answer
    x = 57,794.54

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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.