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Finding the Fourth Proportional to 108,604.76, 162,932.64 and 33,721.04

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Solution

The fourth proportional to 108,604.76, 162,932.64 and 33,721.04 is: 50,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,604.76 : 162,932.64 = 33,721.04 : x
  2. Step 2: Convert to fraction form
    108,604.76/162,932.64 = 33,721.04/x
  3. Step 3: Cross multiply
    108,604.76x = 162,932.64 × 33,721.04
  4. Step 4: Simplify right side
    108,604.76x = 5,494,258,070.75
  5. Step 5: Solve for x
    x = 5,494,258,070.75/108,604.76
  6. Step 6: Final answer
    x = 50,589.48

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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.