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Finding the Fourth Proportional to 204,886.71, 306,750.51 and 108,604.54

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Solution

The fourth proportional to 204,886.71, 306,750.51 and 108,604.54 is: 162,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,886.71 : 306,750.51 = 108,604.54 : x
  2. Step 2: Convert to fraction form
    204,886.71/306,750.51 = 108,604.54/x
  3. Step 3: Cross multiply
    204,886.71x = 306,750.51 × 108,604.54
  4. Step 4: Simplify right side
    204,886.71x = 33,314,498,145.24
  5. Step 5: Solve for x
    x = 33,314,498,145.24/204,886.71
  6. Step 6: Final answer
    x = 162,599.61

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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.