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Finding the Fourth Proportional to 73,705.65, 101,713.83 and 41,874.60

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Solution

The fourth proportional to 73,705.65, 101,713.83 and 41,874.60 is: 57,786.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,705.65 : 101,713.83 = 41,874.60 : x
  2. Step 2: Convert to fraction form
    73,705.65/101,713.83 = 41,874.60/x
  3. Step 3: Cross multiply
    73,705.65x = 101,713.83 × 41,874.60
  4. Step 4: Simplify right side
    73,705.65x = 4,259,225,945.72
  5. Step 5: Solve for x
    x = 4,259,225,945.72/73,705.65
  6. Step 6: Final answer
    x = 57,786.97

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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.