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Finding the Fourth Proportional to 107,995.20, 161,944.20 and 41,413.20

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Solution

The fourth proportional to 107,995.20, 161,944.20 and 41,413.20 is: 62,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,995.20 : 161,944.20 = 41,413.20 : x
  2. Step 2: Convert to fraction form
    107,995.20/161,944.20 = 41,413.20/x
  3. Step 3: Cross multiply
    107,995.20x = 161,944.20 × 41,413.20
  4. Step 4: Simplify right side
    107,995.20x = 6,706,627,543.44
  5. Step 5: Solve for x
    x = 6,706,627,543.44/107,995.20
  6. Step 6: Final answer
    x = 62,101.16

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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.