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Finding the Fourth Proportional to 273,105.42, 376,907.92 and 150,621.76

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Solution

The fourth proportional to 273,105.42, 376,907.92 and 150,621.76 is: 207,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,105.42 : 376,907.92 = 150,621.76 : x
  2. Step 2: Convert to fraction form
    273,105.42/376,907.92 = 150,621.76/x
  3. Step 3: Cross multiply
    273,105.42x = 376,907.92 × 150,621.76
  4. Step 4: Simplify right side
    273,105.42x = 56,770,532,383.80
  5. Step 5: Solve for x
    x = 56,770,532,383.80/273,105.42
  6. Step 6: Final answer
    x = 207,870.40

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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.