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Finding the Fourth Proportional to 203,898.40, 305,847.60 and 185,527.60

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Solution

The fourth proportional to 203,898.40, 305,847.60 and 185,527.60 is: 278,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,898.40 : 305,847.60 = 185,527.60 : x
  2. Step 2: Convert to fraction form
    203,898.40/305,847.60 = 185,527.60/x
  3. Step 3: Cross multiply
    203,898.40x = 305,847.60 × 185,527.60
  4. Step 4: Simplify right side
    203,898.40x = 56,743,171,193.76
  5. Step 5: Solve for x
    x = 56,743,171,193.76/203,898.40
  6. Step 6: Final answer
    x = 278,291.40

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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.