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Finding the Fourth Proportional to 106,873.26, 160,258.11 and 43,668.29

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Solution

The fourth proportional to 106,873.26, 160,258.11 and 43,668.29 is: 65,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,873.26 : 160,258.11 = 43,668.29 : x
  2. Step 2: Convert to fraction form
    106,873.26/160,258.11 = 43,668.29/x
  3. Step 3: Cross multiply
    106,873.26x = 160,258.11 × 43,668.29
  4. Step 4: Simplify right side
    106,873.26x = 6,998,196,821.04
  5. Step 5: Solve for x
    x = 6,998,196,821.04/106,873.26
  6. Step 6: Final answer
    x = 65,481.27

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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.