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Finding the Fourth Proportional to 147,846.97, 204,028.90 and 79,863.95

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Solution

The fourth proportional to 147,846.97, 204,028.90 and 79,863.95 is: 110,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,846.97 : 204,028.90 = 79,863.95 : x
  2. Step 2: Convert to fraction form
    147,846.97/204,028.90 = 79,863.95/x
  3. Step 3: Cross multiply
    147,846.97x = 204,028.90 × 79,863.95
  4. Step 4: Simplify right side
    147,846.97x = 16,294,553,868.16
  5. Step 5: Solve for x
    x = 16,294,553,868.16/147,846.97
  6. Step 6: Final answer
    x = 110,212.29

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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.