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Finding the Fourth Proportional to 109,274.31, 163,936.17 and 33,379.74

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Solution

The fourth proportional to 109,274.31, 163,936.17 and 33,379.74 is: 50,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,274.31 : 163,936.17 = 33,379.74 : x
  2. Step 2: Convert to fraction form
    109,274.31/163,936.17 = 33,379.74/x
  3. Step 3: Cross multiply
    109,274.31x = 163,936.17 × 33,379.74
  4. Step 4: Simplify right side
    109,274.31x = 5,472,146,731.20
  5. Step 5: Solve for x
    x = 5,472,146,731.20/109,274.31
  6. Step 6: Final answer
    x = 50,077.16

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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.