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Finding the Fourth Proportional to 104,238.92, 156,356.84 and 33,165.88

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Solution

The fourth proportional to 104,238.92, 156,356.84 and 33,165.88 is: 49,748.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238.92 : 156,356.84 = 33,165.88 : x
  2. Step 2: Convert to fraction form
    104,238.92/156,356.84 = 33,165.88/x
  3. Step 3: Cross multiply
    104,238.92x = 156,356.84 × 33,165.88
  4. Step 4: Simplify right side
    104,238.92x = 5,185,712,192.62
  5. Step 5: Solve for x
    x = 5,185,712,192.62/104,238.92
  6. Step 6: Final answer
    x = 49,748.33

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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.