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Finding the Fourth Proportional to 73,274.63, 109,835.19 and 33,857.60

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Solution

The fourth proportional to 73,274.63, 109,835.19 and 33,857.60 is: 50,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,274.63 : 109,835.19 = 33,857.60 : x
  2. Step 2: Convert to fraction form
    73,274.63/109,835.19 = 33,857.60/x
  3. Step 3: Cross multiply
    73,274.63x = 109,835.19 × 33,857.60
  4. Step 4: Simplify right side
    73,274.63x = 3,718,755,379.77
  5. Step 5: Solve for x
    x = 3,718,755,379.77/73,274.63
  6. Step 6: Final answer
    x = 50,750.93

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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.