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Finding the Fourth Proportional to 195,571.96, 293,310.90 and 90,289.84

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Solution

The fourth proportional to 195,571.96, 293,310.90 and 90,289.84 is: 135,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,571.96 : 293,310.90 = 90,289.84 : x
  2. Step 2: Convert to fraction form
    195,571.96/293,310.90 = 90,289.84/x
  3. Step 3: Cross multiply
    195,571.96x = 293,310.90 × 90,289.84
  4. Step 4: Simplify right side
    195,571.96x = 26,482,994,231.26
  5. Step 5: Solve for x
    x = 26,482,994,231.26/195,571.96
  6. Step 6: Final answer
    x = 135,413.04

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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.