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Finding the Fourth Proportional to 196,497.56, 271,166.64 and 107,073.56

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Solution

The fourth proportional to 196,497.56, 271,166.64 and 107,073.56 is: 147,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,497.56 : 271,166.64 = 107,073.56 : x
  2. Step 2: Convert to fraction form
    196,497.56/271,166.64 = 107,073.56/x
  3. Step 3: Cross multiply
    196,497.56x = 271,166.64 × 107,073.56
  4. Step 4: Simplify right side
    196,497.56x = 29,034,777,774.43
  5. Step 5: Solve for x
    x = 29,034,777,774.43/196,497.56
  6. Step 6: Final answer
    x = 147,761.52

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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.