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Finding the Fourth Proportional to 111,703.91, 167,503.22 and 40,576.41

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Solution

The fourth proportional to 111,703.91, 167,503.22 and 40,576.41 is: 60,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,703.91 : 167,503.22 = 40,576.41 : x
  2. Step 2: Convert to fraction form
    111,703.91/167,503.22 = 40,576.41/x
  3. Step 3: Cross multiply
    111,703.91x = 167,503.22 × 40,576.41
  4. Step 4: Simplify right side
    111,703.91x = 6,796,678,493.52
  5. Step 5: Solve for x
    x = 6,796,678,493.52/111,703.91
  6. Step 6: Final answer
    x = 60,845.48

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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.