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Finding the Fourth Proportional to 227,468.16, 341,245.98 and 87,215.85

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Solution

The fourth proportional to 227,468.16, 341,245.98 and 87,215.85 is: 130,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,468.16 : 341,245.98 = 87,215.85 : x
  2. Step 2: Convert to fraction form
    227,468.16/341,245.98 = 87,215.85/x
  3. Step 3: Cross multiply
    227,468.16x = 341,245.98 × 87,215.85
  4. Step 4: Simplify right side
    227,468.16x = 29,762,056,062.47
  5. Step 5: Solve for x
    x = 29,762,056,062.47/227,468.16
  6. Step 6: Final answer
    x = 130,840.54

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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.