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Finding the Fourth Proportional to 88,627.60, 132,912.60 and 29,453.20

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Solution

The fourth proportional to 88,627.60, 132,912.60 and 29,453.20 is: 44,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,627.60 : 132,912.60 = 29,453.20 : x
  2. Step 2: Convert to fraction form
    88,627.60/132,912.60 = 29,453.20/x
  3. Step 3: Cross multiply
    88,627.60x = 132,912.60 × 29,453.20
  4. Step 4: Simplify right side
    88,627.60x = 3,914,701,390.32
  5. Step 5: Solve for x
    x = 3,914,701,390.32/88,627.60
  6. Step 6: Final answer
    x = 44,170.23

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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.