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Finding the Fourth Proportional to 168,200.48, 252,301.64 and 49,872.80

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Solution

The fourth proportional to 168,200.48, 252,301.64 and 49,872.80 is: 74,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,200.48 : 252,301.64 = 49,872.80 : x
  2. Step 2: Convert to fraction form
    168,200.48/252,301.64 = 49,872.80/x
  3. Step 3: Cross multiply
    168,200.48x = 252,301.64 × 49,872.80
  4. Step 4: Simplify right side
    168,200.48x = 12,582,989,231.39
  5. Step 5: Solve for x
    x = 12,582,989,231.39/168,200.48
  6. Step 6: Final answer
    x = 74,809.47

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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.