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Finding the Fourth Proportional to 250,464.62, 345,676.60 and 155,002.08

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Solution

The fourth proportional to 250,464.62, 345,676.60 and 155,002.08 is: 213,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,464.62 : 345,676.60 = 155,002.08 : x
  2. Step 2: Convert to fraction form
    250,464.62/345,676.60 = 155,002.08/x
  3. Step 3: Cross multiply
    250,464.62x = 345,676.60 × 155,002.08
  4. Step 4: Simplify right side
    250,464.62x = 53,580,592,007.33
  5. Step 5: Solve for x
    x = 53,580,592,007.33/250,464.62
  6. Step 6: Final answer
    x = 213,924.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.