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Finding the Fourth Proportional to 93,787.34, 140,847.03 and 89,912.54

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Solution

The fourth proportional to 93,787.34, 140,847.03 and 89,912.54 is: 135,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,787.34 : 140,847.03 = 89,912.54 : x
  2. Step 2: Convert to fraction form
    93,787.34/140,847.03 = 89,912.54/x
  3. Step 3: Cross multiply
    93,787.34x = 140,847.03 × 89,912.54
  4. Step 4: Simplify right side
    93,787.34x = 12,663,914,218.76
  5. Step 5: Solve for x
    x = 12,663,914,218.76/93,787.34
  6. Step 6: Final answer
    x = 135,027.97

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1.5x scale

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.