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Finding the Fourth Proportional to 273,922.90, 410,884.34 and 74,243.28

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Solution

The fourth proportional to 273,922.90, 410,884.34 and 74,243.28 is: 111,364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,922.90 : 410,884.34 = 74,243.28 : x
  2. Step 2: Convert to fraction form
    273,922.90/410,884.34 = 74,243.28/x
  3. Step 3: Cross multiply
    273,922.90x = 410,884.34 × 74,243.28
  4. Step 4: Simplify right side
    273,922.90x = 30,505,401,102.24
  5. Step 5: Solve for x
    x = 30,505,401,102.24/273,922.90
  6. Step 6: Final answer
    x = 111,364.92

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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.