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Finding the Fourth Proportional to 192,627.59, 289,072.58 and 67,968.59

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Solution

The fourth proportional to 192,627.59, 289,072.58 and 67,968.59 is: 101,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,627.59 : 289,072.58 = 67,968.59 : x
  2. Step 2: Convert to fraction form
    192,627.59/289,072.58 = 67,968.59/x
  3. Step 3: Cross multiply
    192,627.59x = 289,072.58 × 67,968.59
  4. Step 4: Simplify right side
    192,627.59x = 19,647,853,885.06
  5. Step 5: Solve for x
    x = 19,647,853,885.06/192,627.59
  6. Step 6: Final answer
    x = 101,999.17

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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.