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Finding the Fourth Proportional to 223,413.30, 335,217.15 and 112,605.30

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Solution

The fourth proportional to 223,413.30, 335,217.15 and 112,605.30 is: 168,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,413.30 : 335,217.15 = 112,605.30 : x
  2. Step 2: Convert to fraction form
    223,413.30/335,217.15 = 112,605.30/x
  3. Step 3: Cross multiply
    223,413.30x = 335,217.15 × 112,605.30
  4. Step 4: Simplify right side
    223,413.30x = 37,747,227,740.90
  5. Step 5: Solve for x
    x = 37,747,227,740.90/223,413.30
  6. Step 6: Final answer
    x = 168,956.94

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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.