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Finding the Fourth Proportional to 227,469.16, 341,247.48 and 87,216.85

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Solution

The fourth proportional to 227,469.16, 341,247.48 and 87,216.85 is: 130,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,469.16 : 341,247.48 = 87,216.85 : x
  2. Step 2: Convert to fraction form
    227,469.16/341,247.48 = 87,216.85/x
  3. Step 3: Cross multiply
    227,469.16x = 341,247.48 × 87,216.85
  4. Step 4: Simplify right side
    227,469.16x = 29,762,530,276.04
  5. Step 5: Solve for x
    x = 29,762,530,276.04/227,469.16
  6. Step 6: Final answer
    x = 130,842.05

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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.