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Finding the Fourth Proportional to 75,270.60, 112,900.11 and 27,863.43

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Solution

The fourth proportional to 75,270.60, 112,900.11 and 27,863.43 is: 41,793.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,270.60 : 112,900.11 = 27,863.43 : x
  2. Step 2: Convert to fraction form
    75,270.60/112,900.11 = 27,863.43/x
  3. Step 3: Cross multiply
    75,270.60x = 112,900.11 × 27,863.43
  4. Step 4: Simplify right side
    75,270.60x = 3,145,784,311.98
  5. Step 5: Solve for x
    x = 3,145,784,311.98/75,270.60
  6. Step 6: Final answer
    x = 41,793.00

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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.