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Finding the Fourth Proportional to 71,646.28, 98,855.41 and 44,446.84

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Solution

The fourth proportional to 71,646.28, 98,855.41 and 44,446.84 is: 61,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,646.28 : 98,855.41 = 44,446.84 : x
  2. Step 2: Convert to fraction form
    71,646.28/98,855.41 = 44,446.84/x
  3. Step 3: Cross multiply
    71,646.28x = 98,855.41 × 44,446.84
  4. Step 4: Simplify right side
    71,646.28x = 4,393,810,591.40
  5. Step 5: Solve for x
    x = 4,393,810,591.40/71,646.28
  6. Step 6: Final answer
    x = 61,326.43

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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.