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Finding the Fourth Proportional to 86,194.08, 129,291.12 and 23,865.12

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Solution

The fourth proportional to 86,194.08, 129,291.12 and 23,865.12 is: 35,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,194.08 : 129,291.12 = 23,865.12 : x
  2. Step 2: Convert to fraction form
    86,194.08/129,291.12 = 23,865.12/x
  3. Step 3: Cross multiply
    86,194.08x = 129,291.12 × 23,865.12
  4. Step 4: Simplify right side
    86,194.08x = 3,085,548,093.73
  5. Step 5: Solve for x
    x = 3,085,548,093.73/86,194.08
  6. Step 6: Final answer
    x = 35,797.68

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Double scale
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Similar ratio
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1.5x scale

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.