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Finding the Fourth Proportional to 73,744.78, 110,617.30 and 31,597.54

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Solution

The fourth proportional to 73,744.78, 110,617.30 and 31,597.54 is: 47,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,744.78 : 110,617.30 = 31,597.54 : x
  2. Step 2: Convert to fraction form
    73,744.78/110,617.30 = 31,597.54/x
  3. Step 3: Cross multiply
    73,744.78x = 110,617.30 × 31,597.54
  4. Step 4: Simplify right side
    73,744.78x = 3,495,234,768.88
  5. Step 5: Solve for x
    x = 3,495,234,768.88/73,744.78
  6. Step 6: Final answer
    x = 47,396.37

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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.