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Finding the Fourth Proportional to 236,826, 355,413.96 and 112,167

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Solution

The fourth proportional to 236,826, 355,413.96 and 112,167 is: 168,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,826 : 355,413.96 = 112,167 : x
  2. Step 2: Convert to fraction form
    236,826/355,413.96 = 112,167/x
  3. Step 3: Cross multiply
    236,826x = 355,413.96 × 112,167
  4. Step 4: Simplify right side
    236,826x = 39,865,717,651.32
  5. Step 5: Solve for x
    x = 39,865,717,651.32/236,826
  6. Step 6: Final answer
    x = 168,333.37

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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.