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Finding the Fourth Proportional to 192,519.88, 288,760.78 and 59,364.20

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Solution

The fourth proportional to 192,519.88, 288,760.78 and 59,364.20 is: 89,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,519.88 : 288,760.78 = 59,364.20 : x
  2. Step 2: Convert to fraction form
    192,519.88/288,760.78 = 59,364.20/x
  3. Step 3: Cross multiply
    192,519.88x = 288,760.78 × 59,364.20
  4. Step 4: Simplify right side
    192,519.88x = 17,142,052,696.08
  5. Step 5: Solve for x
    x = 17,142,052,696.08/192,519.88
  6. Step 6: Final answer
    x = 89,040.43

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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.