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Finding the Fourth Proportional to 71,393.68, 98,525.82 and 43,093.84

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Solution

The fourth proportional to 71,393.68, 98,525.82 and 43,093.84 is: 59,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,393.68 : 98,525.82 = 43,093.84 : x
  2. Step 2: Convert to fraction form
    71,393.68/98,525.82 = 43,093.84/x
  3. Step 3: Cross multiply
    71,393.68x = 98,525.82 × 43,093.84
  4. Step 4: Simplify right side
    71,393.68x = 4,245,855,922.95
  5. Step 5: Solve for x
    x = 4,245,855,922.95/71,393.68
  6. Step 6: Final answer
    x = 59,471.03

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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.