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Finding the Fourth Proportional to 168,194.87, 252,333.82 and 49,866.21

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Solution

The fourth proportional to 168,194.87, 252,333.82 and 49,866.21 is: 74,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,194.87 : 252,333.82 = 49,866.21 : x
  2. Step 2: Convert to fraction form
    168,194.87/252,333.82 = 49,866.21/x
  3. Step 3: Cross multiply
    168,194.87x = 252,333.82 × 49,866.21
  4. Step 4: Simplify right side
    168,194.87x = 12,582,931,258.22
  5. Step 5: Solve for x
    x = 12,582,931,258.22/168,194.87
  6. Step 6: Final answer
    x = 74,811.62

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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.