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Finding the Fourth Proportional to 192,257.55, 288,361.45 and 59,134.86

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Solution

The fourth proportional to 192,257.55, 288,361.45 and 59,134.86 is: 88,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,257.55 : 288,361.45 = 59,134.86 : x
  2. Step 2: Convert to fraction form
    192,257.55/288,361.45 = 59,134.86/x
  3. Step 3: Cross multiply
    192,257.55x = 288,361.45 × 59,134.86
  4. Step 4: Simplify right side
    192,257.55x = 17,052,214,049.07
  5. Step 5: Solve for x
    x = 17,052,214,049.07/192,257.55
  6. Step 6: Final answer
    x = 88,694.64

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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.