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Finding the Fourth Proportional to 89,861.76, 134,787.78 and 27,532.44

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Solution

The fourth proportional to 89,861.76, 134,787.78 and 27,532.44 is: 41,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861.76 : 134,787.78 = 27,532.44 : x
  2. Step 2: Convert to fraction form
    89,861.76/134,787.78 = 27,532.44/x
  3. Step 3: Cross multiply
    89,861.76x = 134,787.78 × 27,532.44
  4. Step 4: Simplify right side
    89,861.76x = 3,711,036,465.58
  5. Step 5: Solve for x
    x = 3,711,036,465.58/89,861.76
  6. Step 6: Final answer
    x = 41,297.17

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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.