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Finding the Fourth Proportional to 168,896.21, 232,975.24 and 111,536.06

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Solution

The fourth proportional to 168,896.21, 232,975.24 and 111,536.06 is: 153,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,896.21 : 232,975.24 = 111,536.06 : x
  2. Step 2: Convert to fraction form
    168,896.21/232,975.24 = 111,536.06/x
  3. Step 3: Cross multiply
    168,896.21x = 232,975.24 × 111,536.06
  4. Step 4: Simplify right side
    168,896.21x = 25,985,138,903.44
  5. Step 5: Solve for x
    x = 25,985,138,903.44/168,896.21
  6. Step 6: Final answer
    x = 153,852.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.