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Finding the Fourth Proportional to 91,749.92, 137,661.63 and 41,853.51

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Solution

The fourth proportional to 91,749.92, 137,661.63 and 41,853.51 is: 62,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,749.92 : 137,661.63 = 41,853.51 : x
  2. Step 2: Convert to fraction form
    91,749.92/137,661.63 = 41,853.51/x
  3. Step 3: Cross multiply
    91,749.92x = 137,661.63 × 41,853.51
  4. Step 4: Simplify right side
    91,749.92x = 5,761,622,250.87
  5. Step 5: Solve for x
    x = 5,761,622,250.87/91,749.92
  6. Step 6: Final answer
    x = 62,797.03

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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.