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Finding the Fourth Proportional to 196,607.33, 271,232.57 and 124,948.97

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Solution

The fourth proportional to 196,607.33, 271,232.57 and 124,948.97 is: 172,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,607.33 : 271,232.57 = 124,948.97 : x
  2. Step 2: Convert to fraction form
    196,607.33/271,232.57 = 124,948.97/x
  3. Step 3: Cross multiply
    196,607.33x = 271,232.57 × 124,948.97
  4. Step 4: Simplify right side
    196,607.33x = 33,890,229,627.21
  5. Step 5: Solve for x
    x = 33,890,229,627.21/196,607.33
  6. Step 6: Final answer
    x = 172,375.21

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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.