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Finding the Fourth Proportional to 240,626.75, 360,940.13 and 74,414.75

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Solution

The fourth proportional to 240,626.75, 360,940.13 and 74,414.75 is: 111,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,626.75 : 360,940.13 = 74,414.75 : x
  2. Step 2: Convert to fraction form
    240,626.75/360,940.13 = 74,414.75/x
  3. Step 3: Cross multiply
    240,626.75x = 360,940.13 × 74,414.75
  4. Step 4: Simplify right side
    240,626.75x = 26,859,269,538.92
  5. Step 5: Solve for x
    x = 26,859,269,538.92/240,626.75
  6. Step 6: Final answer
    x = 111,622.13

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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.