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Finding the Fourth Proportional to 111,506.73, 167,216.52 and 40,412.49

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Solution

The fourth proportional to 111,506.73, 167,216.52 and 40,412.49 is: 60,602.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,506.73 : 167,216.52 = 40,412.49 : x
  2. Step 2: Convert to fraction form
    111,506.73/167,216.52 = 40,412.49/x
  3. Step 3: Cross multiply
    111,506.73x = 167,216.52 × 40,412.49
  4. Step 4: Simplify right side
    111,506.73x = 6,757,635,942.33
  5. Step 5: Solve for x
    x = 6,757,635,942.33/111,506.73
  6. Step 6: Final answer
    x = 60,602.94

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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.