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Finding the Fourth Proportional to 106,696.60, 160,040.70 and 27,811.48

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Solution

The fourth proportional to 106,696.60, 160,040.70 and 27,811.48 is: 41,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,696.60 : 160,040.70 = 27,811.48 : x
  2. Step 2: Convert to fraction form
    106,696.60/160,040.70 = 27,811.48/x
  3. Step 3: Cross multiply
    106,696.60x = 160,040.70 × 27,811.48
  4. Step 4: Simplify right side
    106,696.60x = 4,450,968,727.24
  5. Step 5: Solve for x
    x = 4,450,968,727.24/106,696.60
  6. Step 6: Final answer
    x = 41,716.13

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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.