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Finding the Fourth Proportional to 203,847.28, 305,741.22 and 54,096.64

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Solution

The fourth proportional to 203,847.28, 305,741.22 and 54,096.64 is: 81,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,847.28 : 305,741.22 = 54,096.64 : x
  2. Step 2: Convert to fraction form
    203,847.28/305,741.22 = 54,096.64/x
  3. Step 3: Cross multiply
    203,847.28x = 305,741.22 × 54,096.64
  4. Step 4: Simplify right side
    203,847.28x = 16,539,572,711.50
  5. Step 5: Solve for x
    x = 16,539,572,711.50/203,847.28
  6. Step 6: Final answer
    x = 81,137.08

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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.