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Finding the Fourth Proportional to 68,712.78, 94,827.06 and 41,850.98

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Solution

The fourth proportional to 68,712.78, 94,827.06 and 41,850.98 is: 57,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,712.78 : 94,827.06 = 41,850.98 : x
  2. Step 2: Convert to fraction form
    68,712.78/94,827.06 = 41,850.98/x
  3. Step 3: Cross multiply
    68,712.78x = 94,827.06 × 41,850.98
  4. Step 4: Simplify right side
    68,712.78x = 3,968,605,391.52
  5. Step 5: Solve for x
    x = 3,968,605,391.52/68,712.78
  6. Step 6: Final answer
    x = 57,756.44

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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.