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Finding the Fourth Proportional to 225,950.64, 338,928.57 and 68,180.46

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Solution

The fourth proportional to 225,950.64, 338,928.57 and 68,180.46 is: 102,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,950.64 : 338,928.57 = 68,180.46 : x
  2. Step 2: Convert to fraction form
    225,950.64/338,928.57 = 68,180.46/x
  3. Step 3: Cross multiply
    225,950.64x = 338,928.57 × 68,180.46
  4. Step 4: Simplify right side
    225,950.64x = 23,108,305,809.74
  5. Step 5: Solve for x
    x = 23,108,305,809.74/225,950.64
  6. Step 6: Final answer
    x = 102,271.48

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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.