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Finding the Fourth Proportional to 278,074.44, 383,743.16 and 150,750.05

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Solution

The fourth proportional to 278,074.44, 383,743.16 and 150,750.05 is: 208,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,074.44 : 383,743.16 = 150,750.05 : x
  2. Step 2: Convert to fraction form
    278,074.44/383,743.16 = 150,750.05/x
  3. Step 3: Cross multiply
    278,074.44x = 383,743.16 × 150,750.05
  4. Step 4: Simplify right side
    278,074.44x = 57,849,297,884.69
  5. Step 5: Solve for x
    x = 57,849,297,884.69/278,074.44
  6. Step 6: Final answer
    x = 208,035.29

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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.