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Finding the Fourth Proportional to 88,611.67, 132,915.68 and 29,447.92

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Solution

The fourth proportional to 88,611.67, 132,915.68 and 29,447.92 is: 44,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,611.67 : 132,915.68 = 29,447.92 : x
  2. Step 2: Convert to fraction form
    88,611.67/132,915.68 = 29,447.92/x
  3. Step 3: Cross multiply
    88,611.67x = 132,915.68 × 29,447.92
  4. Step 4: Simplify right side
    88,611.67x = 3,914,089,499.57
  5. Step 5: Solve for x
    x = 3,914,089,499.57/88,611.67
  6. Step 6: Final answer
    x = 44,171.27

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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.