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Finding the Fourth Proportional to 111,798.43, 167,696.16 and 27,559.60

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Solution

The fourth proportional to 111,798.43, 167,696.16 and 27,559.60 is: 41,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,798.43 : 167,696.16 = 27,559.60 : x
  2. Step 2: Convert to fraction form
    111,798.43/167,696.16 = 27,559.60/x
  3. Step 3: Cross multiply
    111,798.43x = 167,696.16 × 27,559.60
  4. Step 4: Simplify right side
    111,798.43x = 4,621,639,091.14
  5. Step 5: Solve for x
    x = 4,621,639,091.14/111,798.43
  6. Step 6: Final answer
    x = 41,339.03

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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.