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Finding the Fourth Proportional to 227,255.94, 340,883.91 and 87,014.56

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Solution

The fourth proportional to 227,255.94, 340,883.91 and 87,014.56 is: 130,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,255.94 : 340,883.91 = 87,014.56 : x
  2. Step 2: Convert to fraction form
    227,255.94/340,883.91 = 87,014.56/x
  3. Step 3: Cross multiply
    227,255.94x = 340,883.91 × 87,014.56
  4. Step 4: Simplify right side
    227,255.94x = 29,661,863,439.73
  5. Step 5: Solve for x
    x = 29,661,863,439.73/227,255.94
  6. Step 6: Final answer
    x = 130,521.84

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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.