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Finding the Fourth Proportional to 71,847.60, 107,717.67 and 49,597.44

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Solution

The fourth proportional to 71,847.60, 107,717.67 and 49,597.44 is: 74,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,847.60 : 107,717.67 = 49,597.44 : x
  2. Step 2: Convert to fraction form
    71,847.60/107,717.67 = 49,597.44/x
  3. Step 3: Cross multiply
    71,847.60x = 107,717.67 × 49,597.44
  4. Step 4: Simplify right side
    71,847.60x = 5,342,520,674.76
  5. Step 5: Solve for x
    x = 5,342,520,674.76/71,847.60
  6. Step 6: Final answer
    x = 74,359.07

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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.