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Finding the Fourth Proportional to 221,226.96, 331,795.80 and 63,413.04

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Solution

The fourth proportional to 221,226.96, 331,795.80 and 63,413.04 is: 95,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,226.96 : 331,795.80 = 63,413.04 : x
  2. Step 2: Convert to fraction form
    221,226.96/331,795.80 = 63,413.04/x
  3. Step 3: Cross multiply
    221,226.96x = 331,795.80 × 63,413.04
  4. Step 4: Simplify right side
    221,226.96x = 21,040,180,337.23
  5. Step 5: Solve for x
    x = 21,040,180,337.23/221,226.96
  6. Step 6: Final answer
    x = 95,106.76

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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.