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Finding the Fourth Proportional to 110,882.60, 166,348.20 and 54,749.60

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Solution

The fourth proportional to 110,882.60, 166,348.20 and 54,749.60 is: 82,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,882.60 : 166,348.20 = 54,749.60 : x
  2. Step 2: Convert to fraction form
    110,882.60/166,348.20 = 54,749.60/x
  3. Step 3: Cross multiply
    110,882.60x = 166,348.20 × 54,749.60
  4. Step 4: Simplify right side
    110,882.60x = 9,107,497,410.72
  5. Step 5: Solve for x
    x = 9,107,497,410.72/110,882.60
  6. Step 6: Final answer
    x = 82,136.40

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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.