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Finding the Fourth Proportional to 168,132.98, 252,198.99 and 55,821.71

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Solution

The fourth proportional to 168,132.98, 252,198.99 and 55,821.71 is: 83,732.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,132.98 : 252,198.99 = 55,821.71 : x
  2. Step 2: Convert to fraction form
    168,132.98/252,198.99 = 55,821.71/x
  3. Step 3: Cross multiply
    168,132.98x = 252,198.99 × 55,821.71
  4. Step 4: Simplify right side
    168,132.98x = 14,078,178,882.07
  5. Step 5: Solve for x
    x = 14,078,178,882.07/168,132.98
  6. Step 6: Final answer
    x = 83,732.41

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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.