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Finding the Fourth Proportional to 196,419.94, 271,059.51 and 106,995.94

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Solution

The fourth proportional to 196,419.94, 271,059.51 and 106,995.94 is: 147,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,419.94 : 271,059.51 = 106,995.94 : x
  2. Step 2: Convert to fraction form
    196,419.94/271,059.51 = 106,995.94/x
  3. Step 3: Cross multiply
    196,419.94x = 271,059.51 × 106,995.94
  4. Step 4: Simplify right side
    196,419.94x = 29,002,266,791.98
  5. Step 5: Solve for x
    x = 29,002,266,791.98/196,419.94
  6. Step 6: Final answer
    x = 147,654.39

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1.5x scale

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.