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Finding the Fourth Proportional to 88,435.20, 132,361.20 and 62,191.20

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Solution

The fourth proportional to 88,435.20, 132,361.20 and 62,191.20 is: 93,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,435.20 : 132,361.20 = 62,191.20 : x
  2. Step 2: Convert to fraction form
    88,435.20/132,361.20 = 62,191.20/x
  3. Step 3: Cross multiply
    88,435.20x = 132,361.20 × 62,191.20
  4. Step 4: Simplify right side
    88,435.20x = 8,231,701,861.44
  5. Step 5: Solve for x
    x = 8,231,701,861.44/88,435.20
  6. Step 6: Final answer
    x = 93,081.74

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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.