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Finding the Fourth Proportional to 123,956.44, 186,007.54 and 49,083.80

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Solution

The fourth proportional to 123,956.44, 186,007.54 and 49,083.80 is: 73,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,956.44 : 186,007.54 = 49,083.80 : x
  2. Step 2: Convert to fraction form
    123,956.44/186,007.54 = 49,083.80/x
  3. Step 3: Cross multiply
    123,956.44x = 186,007.54 × 49,083.80
  4. Step 4: Simplify right side
    123,956.44x = 9,129,956,891.85
  5. Step 5: Solve for x
    x = 9,129,956,891.85/123,956.44
  6. Step 6: Final answer
    x = 73,654.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.