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Finding the Fourth Proportional to 196,484.57, 271,148.72 and 107,060.57

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Solution

The fourth proportional to 196,484.57, 271,148.72 and 107,060.57 is: 147,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,484.57 : 271,148.72 = 107,060.57 : x
  2. Step 2: Convert to fraction form
    196,484.57/271,148.72 = 107,060.57/x
  3. Step 3: Cross multiply
    196,484.57x = 271,148.72 × 107,060.57
  4. Step 4: Simplify right side
    196,484.57x = 29,029,336,660.54
  5. Step 5: Solve for x
    x = 29,029,336,660.54/196,484.57
  6. Step 6: Final answer
    x = 147,743.59

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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.