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Finding the Fourth Proportional to 73,893.94, 101,974.04 and 40,359.94

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Solution

The fourth proportional to 73,893.94, 101,974.04 and 40,359.94 is: 55,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,893.94 : 101,974.04 = 40,359.94 : x
  2. Step 2: Convert to fraction form
    73,893.94/101,974.04 = 40,359.94/x
  3. Step 3: Cross multiply
    73,893.94x = 101,974.04 × 40,359.94
  4. Step 4: Simplify right side
    73,893.94x = 4,115,665,830.57
  5. Step 5: Solve for x
    x = 4,115,665,830.57/73,893.94
  6. Step 6: Final answer
    x = 55,696.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.