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Finding the Fourth Proportional to 74,696.74, 111,960.36 and 46,629.33

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Solution

The fourth proportional to 74,696.74, 111,960.36 and 46,629.33 is: 69,891.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,696.74 : 111,960.36 = 46,629.33 : x
  2. Step 2: Convert to fraction form
    74,696.74/111,960.36 = 46,629.33/x
  3. Step 3: Cross multiply
    74,696.74x = 111,960.36 × 46,629.33
  4. Step 4: Simplify right side
    74,696.74x = 5,220,636,153.51
  5. Step 5: Solve for x
    x = 5,220,636,153.51/74,696.74
  6. Step 6: Final answer
    x = 69,891.09

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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.