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Finding the Fourth Proportional to 108,571.92, 162,881.28 and 33,690.48

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Solution

The fourth proportional to 108,571.92, 162,881.28 and 33,690.48 is: 50,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,571.92 : 162,881.28 = 33,690.48 : x
  2. Step 2: Convert to fraction form
    108,571.92/162,881.28 = 33,690.48/x
  3. Step 3: Cross multiply
    108,571.92x = 162,881.28 × 33,690.48
  4. Step 4: Simplify right side
    108,571.92x = 5,487,548,506.21
  5. Step 5: Solve for x
    x = 5,487,548,506.21/108,571.92
  6. Step 6: Final answer
    x = 50,542.98

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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.