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Finding the Fourth Proportional to 196,607.58, 271,232.91 and 124,949.22

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Solution

The fourth proportional to 196,607.58, 271,232.91 and 124,949.22 is: 172,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,607.58 : 271,232.91 = 124,949.22 : x
  2. Step 2: Convert to fraction form
    196,607.58/271,232.91 = 124,949.22/x
  3. Step 3: Cross multiply
    196,607.58x = 271,232.91 × 124,949.22
  4. Step 4: Simplify right side
    196,607.58x = 33,890,340,542.83
  5. Step 5: Solve for x
    x = 33,890,340,542.83/196,607.58
  6. Step 6: Final answer
    x = 172,375.55

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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.