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Finding the Fourth Proportional to 185,863.75, 278,796.53 and 45,622.37

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Solution

The fourth proportional to 185,863.75, 278,796.53 and 45,622.37 is: 68,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,863.75 : 278,796.53 = 45,622.37 : x
  2. Step 2: Convert to fraction form
    185,863.75/278,796.53 = 45,622.37/x
  3. Step 3: Cross multiply
    185,863.75x = 278,796.53 × 45,622.37
  4. Step 4: Simplify right side
    185,863.75x = 12,719,359,257.42
  5. Step 5: Solve for x
    x = 12,719,359,257.42/185,863.75
  6. Step 6: Final answer
    x = 68,433.78

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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.