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Finding the Fourth Proportional to 192,119.50, 288,180.87 and 67,460.50

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Solution

The fourth proportional to 192,119.50, 288,180.87 and 67,460.50 is: 101,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,119.50 : 288,180.87 = 67,460.50 : x
  2. Step 2: Convert to fraction form
    192,119.50/288,180.87 = 67,460.50/x
  3. Step 3: Cross multiply
    192,119.50x = 288,180.87 × 67,460.50
  4. Step 4: Simplify right side
    192,119.50x = 19,440,825,580.64
  5. Step 5: Solve for x
    x = 19,440,825,580.64/192,119.50
  6. Step 6: Final answer
    x = 101,191.32

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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.