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Finding the Fourth Proportional to 119,668.33, 165,143.31 and 65,953.48

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Solution

The fourth proportional to 119,668.33, 165,143.31 and 65,953.48 is: 91,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,668.33 : 165,143.31 = 65,953.48 : x
  2. Step 2: Convert to fraction form
    119,668.33/165,143.31 = 65,953.48/x
  3. Step 3: Cross multiply
    119,668.33x = 165,143.31 × 65,953.48
  4. Step 4: Simplify right side
    119,668.33x = 10,891,775,993.22
  5. Step 5: Solve for x
    x = 10,891,775,993.22/119,668.33
  6. Step 6: Final answer
    x = 91,016.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.