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Finding the Fourth Proportional to 89,843.60, 134,765.40 and 27,514.10

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Solution

The fourth proportional to 89,843.60, 134,765.40 and 27,514.10 is: 41,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,843.60 : 134,765.40 = 27,514.10 : x
  2. Step 2: Convert to fraction form
    89,843.60/134,765.40 = 27,514.10/x
  3. Step 3: Cross multiply
    89,843.60x = 134,765.40 × 27,514.10
  4. Step 4: Simplify right side
    89,843.60x = 3,707,948,692.14
  5. Step 5: Solve for x
    x = 3,707,948,692.14/89,843.60
  6. Step 6: Final answer
    x = 41,271.15

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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.