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Finding the Fourth Proportional to 115,959.80, 173,936.97 and 37,074.71

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Solution

The fourth proportional to 115,959.80, 173,936.97 and 37,074.71 is: 55,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,959.80 : 173,936.97 = 37,074.71 : x
  2. Step 2: Convert to fraction form
    115,959.80/173,936.97 = 37,074.71/x
  3. Step 3: Cross multiply
    115,959.80x = 173,936.97 × 37,074.71
  4. Step 4: Simplify right side
    115,959.80x = 6,448,663,155.87
  5. Step 5: Solve for x
    x = 6,448,663,155.87/115,959.80
  6. Step 6: Final answer
    x = 55,611.19

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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.