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Finding the Fourth Proportional to 168,209.35, 252,362.72 and 49,883.54

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Solution

The fourth proportional to 168,209.35, 252,362.72 and 49,883.54 is: 74,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,209.35 : 252,362.72 = 49,883.54 : x
  2. Step 2: Convert to fraction form
    168,209.35/252,362.72 = 49,883.54/x
  3. Step 3: Cross multiply
    168,209.35x = 252,362.72 × 49,883.54
  4. Step 4: Simplify right side
    168,209.35x = 12,588,744,700.52
  5. Step 5: Solve for x
    x = 12,588,744,700.52/168,209.35
  6. Step 6: Final answer
    x = 74,839.75

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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.