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Finding the Fourth Proportional to 71,894.66, 99,202.97 and 41,674.09

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Solution

The fourth proportional to 71,894.66, 99,202.97 and 41,674.09 is: 57,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,894.66 : 99,202.97 = 41,674.09 : x
  2. Step 2: Convert to fraction form
    71,894.66/99,202.97 = 41,674.09/x
  3. Step 3: Cross multiply
    71,894.66x = 99,202.97 × 41,674.09
  4. Step 4: Simplify right side
    71,894.66x = 4,134,193,356.23
  5. Step 5: Solve for x
    x = 4,134,193,356.23/71,894.66
  6. Step 6: Final answer
    x = 57,503.48

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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.