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Finding the Fourth Proportional to 67,979.70, 102,034.41 and 41,735.70

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Solution

The fourth proportional to 67,979.70, 102,034.41 and 41,735.70 is: 62,643.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,979.70 : 102,034.41 = 41,735.70 : x
  2. Step 2: Convert to fraction form
    67,979.70/102,034.41 = 41,735.70/x
  3. Step 3: Cross multiply
    67,979.70x = 102,034.41 × 41,735.70
  4. Step 4: Simplify right side
    67,979.70x = 4,258,477,525.44
  5. Step 5: Solve for x
    x = 4,258,477,525.44/67,979.70
  6. Step 6: Final answer
    x = 62,643.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.