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Finding the Fourth Proportional to 144,548.99, 199,467.97 and 80,013.86

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Solution

The fourth proportional to 144,548.99, 199,467.97 and 80,013.86 is: 110,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,548.99 : 199,467.97 = 80,013.86 : x
  2. Step 2: Convert to fraction form
    144,548.99/199,467.97 = 80,013.86/x
  3. Step 3: Cross multiply
    144,548.99x = 199,467.97 × 80,013.86
  4. Step 4: Simplify right side
    144,548.99x = 15,960,201,825.99
  5. Step 5: Solve for x
    x = 15,960,201,825.99/144,548.99
  6. Step 6: Final answer
    x = 110,413.79

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1.5x scale

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.