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Finding the Fourth Proportional to 192,805.01, 289,204.43 and 52,563.63

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Solution

The fourth proportional to 192,805.01, 289,204.43 and 52,563.63 is: 78,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,805.01 : 289,204.43 = 52,563.63 : x
  2. Step 2: Convert to fraction form
    192,805.01/289,204.43 = 52,563.63/x
  3. Step 3: Cross multiply
    192,805.01x = 289,204.43 × 52,563.63
  4. Step 4: Simplify right side
    192,805.01x = 15,201,635,474.58
  5. Step 5: Solve for x
    x = 15,201,635,474.58/192,805.01
  6. Step 6: Final answer
    x = 78,844.61

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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.