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Finding the Fourth Proportional to 105,751.44, 158,580.54 and 49,546.26

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Solution

The fourth proportional to 105,751.44, 158,580.54 and 49,546.26 is: 74,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,751.44 : 158,580.54 = 49,546.26 : x
  2. Step 2: Convert to fraction form
    105,751.44/158,580.54 = 49,546.26/x
  3. Step 3: Cross multiply
    105,751.44x = 158,580.54 × 49,546.26
  4. Step 4: Simplify right side
    105,751.44x = 7,857,072,665.78
  5. Step 5: Solve for x
    x = 7,857,072,665.78/105,751.44
  6. Step 6: Final answer
    x = 74,297.55

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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.