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Finding the Fourth Proportional to 147,846.78, 204,028.62 and 79,863.74

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Solution

The fourth proportional to 147,846.78, 204,028.62 and 79,863.74 is: 110,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,846.78 : 204,028.62 = 79,863.74 : x
  2. Step 2: Convert to fraction form
    147,846.78/204,028.62 = 79,863.74/x
  3. Step 3: Cross multiply
    147,846.78x = 204,028.62 × 79,863.74
  4. Step 4: Simplify right side
    147,846.78x = 16,294,488,660.24
  5. Step 5: Solve for x
    x = 16,294,488,660.24/147,846.78
  6. Step 6: Final answer
    x = 110,212.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.