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Finding the Fourth Proportional to 168,562.80, 252,844.20 and 108,687.60

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Solution

The fourth proportional to 168,562.80, 252,844.20 and 108,687.60 is: 163,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,562.80 : 252,844.20 = 108,687.60 : x
  2. Step 2: Convert to fraction form
    168,562.80/252,844.20 = 108,687.60/x
  3. Step 3: Cross multiply
    168,562.80x = 252,844.20 × 108,687.60
  4. Step 4: Simplify right side
    168,562.80x = 27,481,029,271.92
  5. Step 5: Solve for x
    x = 27,481,029,271.92/168,562.80
  6. Step 6: Final answer
    x = 163,031.40

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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.