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Finding the Fourth Proportional to 208,851.44, 312,882.60 and 161,874.32

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Solution

The fourth proportional to 208,851.44, 312,882.60 and 161,874.32 is: 242,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,851.44 : 312,882.60 = 161,874.32 : x
  2. Step 2: Convert to fraction form
    208,851.44/312,882.60 = 161,874.32/x
  3. Step 3: Cross multiply
    208,851.44x = 312,882.60 × 161,874.32
  4. Step 4: Simplify right side
    208,851.44x = 50,647,658,114.83
  5. Step 5: Solve for x
    x = 50,647,658,114.83/208,851.44
  6. Step 6: Final answer
    x = 242,505.67

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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.