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Finding the Fourth Proportional to 247,287.72, 341,199.90 and 166,864.44

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Solution

The fourth proportional to 247,287.72, 341,199.90 and 166,864.44 is: 230,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,287.72 : 341,199.90 = 166,864.44 : x
  2. Step 2: Convert to fraction form
    247,287.72/341,199.90 = 166,864.44/x
  3. Step 3: Cross multiply
    247,287.72x = 341,199.90 × 166,864.44
  4. Step 4: Simplify right side
    247,287.72x = 56,934,130,241.56
  5. Step 5: Solve for x
    x = 56,934,130,241.56/247,287.72
  6. Step 6: Final answer
    x = 230,234.36

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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.