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Finding the Fourth Proportional to 203,954.40, 305,931.60 and 182,181.60

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Solution

The fourth proportional to 203,954.40, 305,931.60 and 182,181.60 is: 273,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,954.40 : 305,931.60 = 182,181.60 : x
  2. Step 2: Convert to fraction form
    203,954.40/305,931.60 = 182,181.60/x
  3. Step 3: Cross multiply
    203,954.40x = 305,931.60 × 182,181.60
  4. Step 4: Simplify right side
    203,954.40x = 55,735,108,378.56
  5. Step 5: Solve for x
    x = 55,735,108,378.56/203,954.40
  6. Step 6: Final answer
    x = 273,272.40

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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.