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Finding the Fourth Proportional to 213,969.25, 295,355.33 and 124,545.25

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Solution

The fourth proportional to 213,969.25, 295,355.33 and 124,545.25 is: 171,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,969.25 : 295,355.33 = 124,545.25 : x
  2. Step 2: Convert to fraction form
    213,969.25/295,355.33 = 124,545.25/x
  3. Step 3: Cross multiply
    213,969.25x = 295,355.33 × 124,545.25
  4. Step 4: Simplify right side
    213,969.25x = 36,785,103,413.68
  5. Step 5: Solve for x
    x = 36,785,103,413.68/213,969.25
  6. Step 6: Final answer
    x = 171,917.71

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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.