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Finding the Fourth Proportional to 111,722.49, 167,548.12 and 36,828.68

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Solution

The fourth proportional to 111,722.49, 167,548.12 and 36,828.68 is: 55,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,722.49 : 167,548.12 = 36,828.68 : x
  2. Step 2: Convert to fraction form
    111,722.49/167,548.12 = 36,828.68/x
  3. Step 3: Cross multiply
    111,722.49x = 167,548.12 × 36,828.68
  4. Step 4: Simplify right side
    111,722.49x = 6,170,575,350.41
  5. Step 5: Solve for x
    x = 6,170,575,350.41/111,722.49
  6. Step 6: Final answer
    x = 55,231.27

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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.