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Finding the Fourth Proportional to 168,507.65, 252,839.62 and 73,725.35

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Solution

The fourth proportional to 168,507.65, 252,839.62 and 73,725.35 is: 110,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,507.65 : 252,839.62 = 73,725.35 : x
  2. Step 2: Convert to fraction form
    168,507.65/252,839.62 = 73,725.35/x
  3. Step 3: Cross multiply
    168,507.65x = 252,839.62 × 73,725.35
  4. Step 4: Simplify right side
    168,507.65x = 18,640,688,306.33
  5. Step 5: Solve for x
    x = 18,640,688,306.33/168,507.65
  6. Step 6: Final answer
    x = 110,622.21

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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.