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Finding the Fourth Proportional to 71,450.70, 98,594.85 and 41,245.76

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Solution

The fourth proportional to 71,450.70, 98,594.85 and 41,245.76 is: 56,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,450.70 : 98,594.85 = 41,245.76 : x
  2. Step 2: Convert to fraction form
    71,450.70/98,594.85 = 41,245.76/x
  3. Step 3: Cross multiply
    71,450.70x = 98,594.85 × 41,245.76
  4. Step 4: Simplify right side
    71,450.70x = 4,066,619,027.36
  5. Step 5: Solve for x
    x = 4,066,619,027.36/71,450.70
  6. Step 6: Final answer
    x = 56,915.03

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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.