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Finding the Fourth Proportional to 216,863.33, 325,388.03 and 83,837.00

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Solution

The fourth proportional to 216,863.33, 325,388.03 and 83,837.00 is: 125,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,863.33 : 325,388.03 = 83,837.00 : x
  2. Step 2: Convert to fraction form
    216,863.33/325,388.03 = 83,837.00/x
  3. Step 3: Cross multiply
    216,863.33x = 325,388.03 × 83,837.00
  4. Step 4: Simplify right side
    216,863.33x = 27,279,556,665.40
  5. Step 5: Solve for x
    x = 27,279,556,665.40/216,863.33
  6. Step 6: Final answer
    x = 125,791.47

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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.