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Finding the Fourth Proportional to 132,040.82, 182,216.43 and 71,611.45

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Solution

The fourth proportional to 132,040.82, 182,216.43 and 71,611.45 is: 98,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,040.82 : 182,216.43 = 71,611.45 : x
  2. Step 2: Convert to fraction form
    132,040.82/182,216.43 = 71,611.45/x
  3. Step 3: Cross multiply
    132,040.82x = 182,216.43 × 71,611.45
  4. Step 4: Simplify right side
    132,040.82x = 13,048,782,766.12
  5. Step 5: Solve for x
    x = 13,048,782,766.12/132,040.82
  6. Step 6: Final answer
    x = 98,823.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.