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Finding the Fourth Proportional to 168,206.63, 252,358.65 and 49,880.82

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Solution

The fourth proportional to 168,206.63, 252,358.65 and 49,880.82 is: 74,835.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,206.63 : 252,358.65 = 49,880.82 : x
  2. Step 2: Convert to fraction form
    168,206.63/252,358.65 = 49,880.82/x
  3. Step 3: Cross multiply
    168,206.63x = 252,358.65 × 49,880.82
  4. Step 4: Simplify right side
    168,206.63x = 12,587,856,396.09
  5. Step 5: Solve for x
    x = 12,587,856,396.09/168,206.63
  6. Step 6: Final answer
    x = 74,835.67

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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.