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Finding the Fourth Proportional to 168,578.90, 252,540.30 and 93,564.80

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Solution

The fourth proportional to 168,578.90, 252,540.30 and 93,564.80 is: 140,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,578.90 : 252,540.30 = 93,564.80 : x
  2. Step 2: Convert to fraction form
    168,578.90/252,540.30 = 93,564.80/x
  3. Step 3: Cross multiply
    168,578.90x = 252,540.30 × 93,564.80
  4. Step 4: Simplify right side
    168,578.90x = 23,628,882,661.44
  5. Step 5: Solve for x
    x = 23,628,882,661.44/168,578.90
  6. Step 6: Final answer
    x = 140,165.13

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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.