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Finding the Fourth Proportional to 168,103.44, 252,169.68 and 55,759.68

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Solution

The fourth proportional to 168,103.44, 252,169.68 and 55,759.68 is: 83,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,103.44 : 252,169.68 = 55,759.68 : x
  2. Step 2: Convert to fraction form
    168,103.44/252,169.68 = 55,759.68/x
  3. Step 3: Cross multiply
    168,103.44x = 252,169.68 × 55,759.68
  4. Step 4: Simplify right side
    168,103.44x = 14,060,900,662.50
  5. Step 5: Solve for x
    x = 14,060,900,662.50/168,103.44
  6. Step 6: Final answer
    x = 83,644.34

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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.