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Finding the Fourth Proportional to 192,912.63, 289,388.99 and 52,671.25

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Solution

The fourth proportional to 192,912.63, 289,388.99 and 52,671.25 is: 79,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,912.63 : 289,388.99 = 52,671.25 : x
  2. Step 2: Convert to fraction form
    192,912.63/289,388.99 = 52,671.25/x
  3. Step 3: Cross multiply
    192,912.63x = 289,388.99 × 52,671.25
  4. Step 4: Simplify right side
    192,912.63x = 15,242,479,839.54
  5. Step 5: Solve for x
    x = 15,242,479,839.54/192,912.63
  6. Step 6: Final answer
    x = 79,012.35

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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.