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Finding the Fourth Proportional to 270,413.91, 373,182.80 and 149,555.16

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Solution

The fourth proportional to 270,413.91, 373,182.80 and 149,555.16 is: 206,392.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,413.91 : 373,182.80 = 149,555.16 : x
  2. Step 2: Convert to fraction form
    270,413.91/373,182.80 = 149,555.16/x
  3. Step 3: Cross multiply
    270,413.91x = 373,182.80 × 149,555.16
  4. Step 4: Simplify right side
    270,413.91x = 55,811,412,615.47
  5. Step 5: Solve for x
    x = 55,811,412,615.47/270,413.91
  6. Step 6: Final answer
    x = 206,392.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.