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Finding the Fourth Proportional to 221,870.80, 332,806.20 and 184,473.10

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Solution

The fourth proportional to 221,870.80, 332,806.20 and 184,473.10 is: 276,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,870.80 : 332,806.20 = 184,473.10 : x
  2. Step 2: Convert to fraction form
    221,870.80/332,806.20 = 184,473.10/x
  3. Step 3: Cross multiply
    221,870.80x = 332,806.20 × 184,473.10
  4. Step 4: Simplify right side
    221,870.80x = 61,393,791,413.22
  5. Step 5: Solve for x
    x = 61,393,791,413.22/221,870.80
  6. Step 6: Final answer
    x = 276,709.65

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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.