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Finding the Fourth Proportional to 135,911.22, 203,851 and 36,079.16

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Solution

The fourth proportional to 135,911.22, 203,851 and 36,079.16 is: 54,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,911.22 : 203,851 = 36,079.16 : x
  2. Step 2: Convert to fraction form
    135,911.22/203,851 = 36,079.16/x
  3. Step 3: Cross multiply
    135,911.22x = 203,851 × 36,079.16
  4. Step 4: Simplify right side
    135,911.22x = 7,354,772,845.16
  5. Step 5: Solve for x
    x = 7,354,772,845.16/135,911.22
  6. Step 6: Final answer
    x = 54,114.54

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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.