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Finding the Fourth Proportional to 225,964.36, 338,955.36 and 68,192.83

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Solution

The fourth proportional to 225,964.36, 338,955.36 and 68,192.83 is: 102,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,964.36 : 338,955.36 = 68,192.83 : x
  2. Step 2: Convert to fraction form
    225,964.36/338,955.36 = 68,192.83/x
  3. Step 3: Cross multiply
    225,964.36x = 338,955.36 × 68,192.83
  4. Step 4: Simplify right side
    225,964.36x = 23,114,325,242.07
  5. Step 5: Solve for x
    x = 23,114,325,242.07/225,964.36
  6. Step 6: Final answer
    x = 102,291.91

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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.