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Finding the Fourth Proportional to 76,013.94, 104,894.21 and 43,743.34

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Solution

The fourth proportional to 76,013.94, 104,894.21 and 43,743.34 is: 60,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,013.94 : 104,894.21 = 43,743.34 : x
  2. Step 2: Convert to fraction form
    76,013.94/104,894.21 = 43,743.34/x
  3. Step 3: Cross multiply
    76,013.94x = 104,894.21 × 43,743.34
  4. Step 4: Simplify right side
    76,013.94x = 4,588,422,348.87
  5. Step 5: Solve for x
    x = 4,588,422,348.87/76,013.94
  6. Step 6: Final answer
    x = 60,362.91

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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.