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Finding the Fourth Proportional to 192,884.32, 289,186.28 and 80,596.67

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Solution

The fourth proportional to 192,884.32, 289,186.28 and 80,596.67 is: 120,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,884.32 : 289,186.28 = 80,596.67 : x
  2. Step 2: Convert to fraction form
    192,884.32/289,186.28 = 80,596.67/x
  3. Step 3: Cross multiply
    192,884.32x = 289,186.28 × 80,596.67
  4. Step 4: Simplify right side
    192,884.32x = 23,307,450,774.70
  5. Step 5: Solve for x
    x = 23,307,450,774.70/192,884.32
  6. Step 6: Final answer
    x = 120,836.42

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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.