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Finding the Fourth Proportional to 101,846.21, 140,049.26 and 88,394.04

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Solution

The fourth proportional to 101,846.21, 140,049.26 and 88,394.04 is: 121,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,846.21 : 140,049.26 = 88,394.04 : x
  2. Step 2: Convert to fraction form
    101,846.21/140,049.26 = 88,394.04/x
  3. Step 3: Cross multiply
    101,846.21x = 140,049.26 × 88,394.04
  4. Step 4: Simplify right side
    101,846.21x = 12,379,519,448.44
  5. Step 5: Solve for x
    x = 12,379,519,448.44/101,846.21
  6. Step 6: Final answer
    x = 121,551.10

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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.