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Finding the Fourth Proportional to 164,553.91, 246,644.26 and 75,623.64

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Solution

The fourth proportional to 164,553.91, 246,644.26 and 75,623.64 is: 113,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,553.91 : 246,644.26 = 75,623.64 : x
  2. Step 2: Convert to fraction form
    164,553.91/246,644.26 = 75,623.64/x
  3. Step 3: Cross multiply
    164,553.91x = 246,644.26 × 75,623.64
  4. Step 4: Simplify right side
    164,553.91x = 18,652,135,612.33
  5. Step 5: Solve for x
    x = 18,652,135,612.33/164,553.91
  6. Step 6: Final answer
    x = 113,349.70

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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.