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Finding the Fourth Proportional to 192,866.00, 289,344.83 and 80,483.76

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Solution

The fourth proportional to 192,866.00, 289,344.83 and 80,483.76 is: 120,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,866.00 : 289,344.83 = 80,483.76 : x
  2. Step 2: Convert to fraction form
    192,866.00/289,344.83 = 80,483.76/x
  3. Step 3: Cross multiply
    192,866.00x = 289,344.83 × 80,483.76
  4. Step 4: Simplify right side
    192,866.00x = 23,287,559,452.54
  5. Step 5: Solve for x
    x = 23,287,559,452.54/192,866.00
  6. Step 6: Final answer
    x = 120,744.77

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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.