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Finding the Fourth Proportional to 168,404.40, 252,606.60 and 63,217.80

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Solution

The fourth proportional to 168,404.40, 252,606.60 and 63,217.80 is: 94,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,404.40 : 252,606.60 = 63,217.80 : x
  2. Step 2: Convert to fraction form
    168,404.40/252,606.60 = 63,217.80/x
  3. Step 3: Cross multiply
    168,404.40x = 252,606.60 × 63,217.80
  4. Step 4: Simplify right side
    168,404.40x = 15,969,233,517.48
  5. Step 5: Solve for x
    x = 15,969,233,517.48/168,404.40
  6. Step 6: Final answer
    x = 94,826.70

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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.