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Finding the Fourth Proportional to 223,413.80, 335,217.90 and 112,605.80

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Solution

The fourth proportional to 223,413.80, 335,217.90 and 112,605.80 is: 168,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,413.80 : 335,217.90 = 112,605.80 : x
  2. Step 2: Convert to fraction form
    223,413.80/335,217.90 = 112,605.80/x
  3. Step 3: Cross multiply
    223,413.80x = 335,217.90 × 112,605.80
  4. Step 4: Simplify right side
    223,413.80x = 37,747,479,803.82
  5. Step 5: Solve for x
    x = 37,747,479,803.82/223,413.80
  6. Step 6: Final answer
    x = 168,957.69

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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.