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Finding the Fourth Proportional to 235,413.01, 324,863.19 and 133,447.90

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Solution

The fourth proportional to 235,413.01, 324,863.19 and 133,447.90 is: 184,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,413.01 : 324,863.19 = 133,447.90 : x
  2. Step 2: Convert to fraction form
    235,413.01/324,863.19 = 133,447.90/x
  3. Step 3: Cross multiply
    235,413.01x = 324,863.19 × 133,447.90
  4. Step 4: Simplify right side
    235,413.01x = 43,352,310,492.80
  5. Step 5: Solve for x
    x = 43,352,310,492.80/235,413.01
  6. Step 6: Final answer
    x = 184,154.27

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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.