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Finding the Fourth Proportional to 222,413.60, 333,166.80 and 137,914.40

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Solution

The fourth proportional to 222,413.60, 333,166.80 and 137,914.40 is: 206,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,413.60 : 333,166.80 = 137,914.40 : x
  2. Step 2: Convert to fraction form
    222,413.60/333,166.80 = 137,914.40/x
  3. Step 3: Cross multiply
    222,413.60x = 333,166.80 × 137,914.40
  4. Step 4: Simplify right side
    222,413.60x = 45,948,499,321.92
  5. Step 5: Solve for x
    x = 45,948,499,321.92/222,413.60
  6. Step 6: Final answer
    x = 206,590.33

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1.5x scale

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.