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Finding the Fourth Proportional to 108,556.68, 162,845.34 and 33,677.64

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Solution

The fourth proportional to 108,556.68, 162,845.34 and 33,677.64 is: 50,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,556.68 : 162,845.34 = 33,677.64 : x
  2. Step 2: Convert to fraction form
    108,556.68/162,845.34 = 33,677.64/x
  3. Step 3: Cross multiply
    108,556.68x = 162,845.34 × 33,677.64
  4. Step 4: Simplify right side
    108,556.68x = 5,484,246,736.20
  5. Step 5: Solve for x
    x = 5,484,246,736.20/108,556.68
  6. Step 6: Final answer
    x = 50,519.66

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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.