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Finding the Fourth Proportional to 168,586.80, 252,977.40 and 63,481.20

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Solution

The fourth proportional to 168,586.80, 252,977.40 and 63,481.20 is: 95,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,586.80 : 252,977.40 = 63,481.20 : x
  2. Step 2: Convert to fraction form
    168,586.80/252,977.40 = 63,481.20/x
  3. Step 3: Cross multiply
    168,586.80x = 252,977.40 × 63,481.20
  4. Step 4: Simplify right side
    168,586.80x = 16,059,308,924.88
  5. Step 5: Solve for x
    x = 16,059,308,924.88/168,586.80
  6. Step 6: Final answer
    x = 95,258.40

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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.