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Finding the Fourth Proportional to 196,485.89, 271,150.53 and 107,061.89

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Solution

The fourth proportional to 196,485.89, 271,150.53 and 107,061.89 is: 147,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,485.89 : 271,150.53 = 107,061.89 : x
  2. Step 2: Convert to fraction form
    196,485.89/271,150.53 = 107,061.89/x
  3. Step 3: Cross multiply
    196,485.89x = 271,150.53 × 107,061.89
  4. Step 4: Simplify right side
    196,485.89x = 29,029,888,216.30
  5. Step 5: Solve for x
    x = 29,029,888,216.30/196,485.89
  6. Step 6: Final answer
    x = 147,745.41

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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.