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Finding the Fourth Proportional to 74,181.76, 111,194.88 and 27,404.80

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Solution

The fourth proportional to 74,181.76, 111,194.88 and 27,404.80 is: 41,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,181.76 : 111,194.88 = 27,404.80 : x
  2. Step 2: Convert to fraction form
    74,181.76/111,194.88 = 27,404.80/x
  3. Step 3: Cross multiply
    74,181.76x = 111,194.88 × 27,404.80
  4. Step 4: Simplify right side
    74,181.76x = 3,047,273,447.42
  5. Step 5: Solve for x
    x = 3,047,273,447.42/74,181.76
  6. Step 6: Final answer
    x = 41,078.47

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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.