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Finding the Fourth Proportional to 181,794.60, 250,886.88 and 109,219.68

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Solution

The fourth proportional to 181,794.60, 250,886.88 and 109,219.68 is: 150,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,794.60 : 250,886.88 = 109,219.68 : x
  2. Step 2: Convert to fraction form
    181,794.60/250,886.88 = 109,219.68/x
  3. Step 3: Cross multiply
    181,794.60x = 250,886.88 × 109,219.68
  4. Step 4: Simplify right side
    181,794.60x = 27,401,784,749.80
  5. Step 5: Solve for x
    x = 27,401,784,749.80/181,794.60
  6. Step 6: Final answer
    x = 150,729.37

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1.5x scale

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.