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Finding the Fourth Proportional to 192,406.58, 288,609.87 and 116,520.41

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Solution

The fourth proportional to 192,406.58, 288,609.87 and 116,520.41 is: 174,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,406.58 : 288,609.87 = 116,520.41 : x
  2. Step 2: Convert to fraction form
    192,406.58/288,609.87 = 116,520.41/x
  3. Step 3: Cross multiply
    192,406.58x = 288,609.87 × 116,520.41
  4. Step 4: Simplify right side
    192,406.58x = 33,628,940,382.45
  5. Step 5: Solve for x
    x = 33,628,940,382.45/192,406.58
  6. Step 6: Final answer
    x = 174,780.62

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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.