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Finding the Fourth Proportional to 168,220.80, 252,332.15 and 49,893.03

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Solution

The fourth proportional to 168,220.80, 252,332.15 and 49,893.03 is: 74,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,220.80 : 252,332.15 = 49,893.03 : x
  2. Step 2: Convert to fraction form
    168,220.80/252,332.15 = 49,893.03/x
  3. Step 3: Cross multiply
    168,220.80x = 252,332.15 × 49,893.03
  4. Step 4: Simplify right side
    168,220.80x = 12,589,615,280.45
  5. Step 5: Solve for x
    x = 12,589,615,280.45/168,220.80
  6. Step 6: Final answer
    x = 74,839.83

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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.