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Finding the Fourth Proportional to 168,189.62, 252,241.44 and 49,833.28

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Solution

The fourth proportional to 168,189.62, 252,241.44 and 49,833.28 is: 74,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,189.62 : 252,241.44 = 49,833.28 : x
  2. Step 2: Convert to fraction form
    168,189.62/252,241.44 = 49,833.28/x
  3. Step 3: Cross multiply
    168,189.62x = 252,241.44 × 49,833.28
  4. Step 4: Simplify right side
    168,189.62x = 12,570,017,297.00
  5. Step 5: Solve for x
    x = 12,570,017,297.00/168,189.62
  6. Step 6: Final answer
    x = 74,737.18

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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.