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Finding the Fourth Proportional to 227,669.88, 341,745.30 and 127,915.32

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Solution

The fourth proportional to 227,669.88, 341,745.30 and 127,915.32 is: 192,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,669.88 : 341,745.30 = 127,915.32 : x
  2. Step 2: Convert to fraction form
    227,669.88/341,745.30 = 127,915.32/x
  3. Step 3: Cross multiply
    227,669.88x = 341,745.30 × 127,915.32
  4. Step 4: Simplify right side
    227,669.88x = 43,714,459,408.00
  5. Step 5: Solve for x
    x = 43,714,459,408.00/227,669.88
  6. Step 6: Final answer
    x = 192,008.09

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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.