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Finding the Fourth Proportional to 168,239.16, 252,383.85 and 49,896.54

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Solution

The fourth proportional to 168,239.16, 252,383.85 and 49,896.54 is: 74,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,239.16 : 252,383.85 = 49,896.54 : x
  2. Step 2: Convert to fraction form
    168,239.16/252,383.85 = 49,896.54/x
  3. Step 3: Cross multiply
    168,239.16x = 252,383.85 × 49,896.54
  4. Step 4: Simplify right side
    168,239.16x = 12,593,080,866.88
  5. Step 5: Solve for x
    x = 12,593,080,866.88/168,239.16
  6. Step 6: Final answer
    x = 74,852.26

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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.