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Finding the Fourth Proportional to 111,984, 167,993.28 and 41,873.28

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Solution

The fourth proportional to 111,984, 167,993.28 and 41,873.28 is: 62,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,984 : 167,993.28 = 41,873.28 : x
  2. Step 2: Convert to fraction form
    111,984/167,993.28 = 41,873.28/x
  3. Step 3: Cross multiply
    111,984x = 167,993.28 × 41,873.28
  4. Step 4: Simplify right side
    111,984x = 7,034,429,651.56
  5. Step 5: Solve for x
    x = 7,034,429,651.56/111,984
  6. Step 6: Final answer
    x = 62,816.38

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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.