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Finding the Fourth Proportional to 192,893.60, 289,340.40 and 122,034.80

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Solution

The fourth proportional to 192,893.60, 289,340.40 and 122,034.80 is: 183,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,893.60 : 289,340.40 = 122,034.80 : x
  2. Step 2: Convert to fraction form
    192,893.60/289,340.40 = 122,034.80/x
  3. Step 3: Cross multiply
    192,893.60x = 289,340.40 × 122,034.80
  4. Step 4: Simplify right side
    192,893.60x = 35,309,597,845.92
  5. Step 5: Solve for x
    x = 35,309,597,845.92/192,893.60
  6. Step 6: Final answer
    x = 183,052.20

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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.