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Finding the Fourth Proportional to 227,672.31, 314,181.53 and 125,695.91

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Solution

The fourth proportional to 227,672.31, 314,181.53 and 125,695.91 is: 173,456.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,672.31 : 314,181.53 = 125,695.91 : x
  2. Step 2: Convert to fraction form
    227,672.31/314,181.53 = 125,695.91/x
  3. Step 3: Cross multiply
    227,672.31x = 314,181.53 × 125,695.91
  4. Step 4: Simplify right side
    227,672.31x = 39,491,334,418.24
  5. Step 5: Solve for x
    x = 39,491,334,418.24/227,672.31
  6. Step 6: Final answer
    x = 173,456.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.