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Finding the Fourth Proportional to 173,163.90, 259,527.15 and 84,225.90

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Solution

The fourth proportional to 173,163.90, 259,527.15 and 84,225.90 is: 126,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,163.90 : 259,527.15 = 84,225.90 : x
  2. Step 2: Convert to fraction form
    173,163.90/259,527.15 = 84,225.90/x
  3. Step 3: Cross multiply
    173,163.90x = 259,527.15 × 84,225.90
  4. Step 4: Simplify right side
    173,163.90x = 21,858,907,783.19
  5. Step 5: Solve for x
    x = 21,858,907,783.19/173,163.90
  6. Step 6: Final answer
    x = 126,232.48

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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.