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Finding the Fourth Proportional to 274,626.72, 411,516.72 and 134,481.60

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Solution

The fourth proportional to 274,626.72, 411,516.72 and 134,481.60 is: 201,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,626.72 : 411,516.72 = 134,481.60 : x
  2. Step 2: Convert to fraction form
    274,626.72/411,516.72 = 134,481.60/x
  3. Step 3: Cross multiply
    274,626.72x = 411,516.72 × 134,481.60
  4. Step 4: Simplify right side
    274,626.72x = 55,341,426,932.35
  5. Step 5: Solve for x
    x = 55,341,426,932.35/274,626.72
  6. Step 6: Final answer
    x = 201,515.09

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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.