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Finding the Fourth Proportional to 88,660.40, 132,990.60 and 32,500.40

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Solution

The fourth proportional to 88,660.40, 132,990.60 and 32,500.40 is: 48,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,660.40 : 132,990.60 = 32,500.40 : x
  2. Step 2: Convert to fraction form
    88,660.40/132,990.60 = 32,500.40/x
  3. Step 3: Cross multiply
    88,660.40x = 132,990.60 × 32,500.40
  4. Step 4: Simplify right side
    88,660.40x = 4,322,247,696.24
  5. Step 5: Solve for x
    x = 4,322,247,696.24/88,660.40
  6. Step 6: Final answer
    x = 48,750.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.