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Finding the Fourth Proportional to 196,523.21, 271,123.30 and 123,902.21

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Solution

The fourth proportional to 196,523.21, 271,123.30 and 123,902.21 is: 170,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,523.21 : 271,123.30 = 123,902.21 : x
  2. Step 2: Convert to fraction form
    196,523.21/271,123.30 = 123,902.21/x
  3. Step 3: Cross multiply
    196,523.21x = 271,123.30 × 123,902.21
  4. Step 4: Simplify right side
    196,523.21x = 33,592,775,360.11
  5. Step 5: Solve for x
    x = 33,592,775,360.11/196,523.21
  6. Step 6: Final answer
    x = 170,935.41

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