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Finding the Fourth Proportional to 225,908.88, 338,918.00 and 68,127.77

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Solution

The fourth proportional to 225,908.88, 338,918.00 and 68,127.77 is: 102,208.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,908.88 : 338,918.00 = 68,127.77 : x
  2. Step 2: Convert to fraction form
    225,908.88/338,918.00 = 68,127.77/x
  3. Step 3: Cross multiply
    225,908.88x = 338,918.00 × 68,127.77
  4. Step 4: Simplify right side
    225,908.88x = 23,089,725,517.63
  5. Step 5: Solve for x
    x = 23,089,725,517.63/225,908.88
  6. Step 6: Final answer
    x = 102,208.14

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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.