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Finding the Fourth Proportional to 67,481.44, 101,086.80 and 61,969.84

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Solution

The fourth proportional to 67,481.44, 101,086.80 and 61,969.84 is: 92,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,481.44 : 101,086.80 = 61,969.84 : x
  2. Step 2: Convert to fraction form
    67,481.44/101,086.80 = 61,969.84/x
  3. Step 3: Cross multiply
    67,481.44x = 101,086.80 × 61,969.84
  4. Step 4: Simplify right side
    67,481.44x = 6,264,332,822.11
  5. Step 5: Solve for x
    x = 6,264,332,822.11/67,481.44
  6. Step 6: Final answer
    x = 92,830.46

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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.