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Finding the Fourth Proportional to 112,142.84, 168,185.60 and 33,238.62

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Solution

The fourth proportional to 112,142.84, 168,185.60 and 33,238.62 is: 49,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,142.84 : 168,185.60 = 33,238.62 : x
  2. Step 2: Convert to fraction form
    112,142.84/168,185.60 = 33,238.62/x
  3. Step 3: Cross multiply
    112,142.84x = 168,185.60 × 33,238.62
  4. Step 4: Simplify right side
    112,142.84x = 5,590,257,247.87
  5. Step 5: Solve for x
    x = 5,590,257,247.87/112,142.84
  6. Step 6: Final answer
    x = 49,849.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.