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Finding the Fourth Proportional to 203,818.20, 305,727.30 and 63,576.60

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Solution

The fourth proportional to 203,818.20, 305,727.30 and 63,576.60 is: 95,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,818.20 : 305,727.30 = 63,576.60 : x
  2. Step 2: Convert to fraction form
    203,818.20/305,727.30 = 63,576.60/x
  3. Step 3: Cross multiply
    203,818.20x = 305,727.30 × 63,576.60
  4. Step 4: Simplify right side
    203,818.20x = 19,437,102,261.18
  5. Step 5: Solve for x
    x = 19,437,102,261.18/203,818.20
  6. Step 6: Final answer
    x = 95,364.90

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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.