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Finding the Fourth Proportional to 68,413.83, 94,411.38 and 38,197.39

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Solution

The fourth proportional to 68,413.83, 94,411.38 and 38,197.39 is: 52,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,413.83 : 94,411.38 = 38,197.39 : x
  2. Step 2: Convert to fraction form
    68,413.83/94,411.38 = 38,197.39/x
  3. Step 3: Cross multiply
    68,413.83x = 94,411.38 × 38,197.39
  4. Step 4: Simplify right side
    68,413.83x = 3,606,268,302.30
  5. Step 5: Solve for x
    x = 3,606,268,302.30/68,413.83
  6. Step 6: Final answer
    x = 52,712.56

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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.