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Finding the Fourth Proportional to 231,348.90, 347,059.80 and 73,593.30

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Solution

The fourth proportional to 231,348.90, 347,059.80 and 73,593.30 is: 110,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,348.90 : 347,059.80 = 73,593.30 : x
  2. Step 2: Convert to fraction form
    231,348.90/347,059.80 = 73,593.30/x
  3. Step 3: Cross multiply
    231,348.90x = 347,059.80 × 73,593.30
  4. Step 4: Simplify right side
    231,348.90x = 25,541,275,979.34
  5. Step 5: Solve for x
    x = 25,541,275,979.34/231,348.90
  6. Step 6: Final answer
    x = 110,401.54

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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.