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Finding the Fourth Proportional to 70,750.75, 105,992.34 and 41,813.03

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Solution

The fourth proportional to 70,750.75, 105,992.34 and 41,813.03 is: 62,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,750.75 : 105,992.34 = 41,813.03 : x
  2. Step 2: Convert to fraction form
    70,750.75/105,992.34 = 41,813.03/x
  3. Step 3: Cross multiply
    70,750.75x = 105,992.34 × 41,813.03
  4. Step 4: Simplify right side
    70,750.75x = 4,431,860,892.19
  5. Step 5: Solve for x
    x = 4,431,860,892.19/70,750.75
  6. Step 6: Final answer
    x = 62,640.48

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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.