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Finding the Fourth Proportional to 80,076.41, 120,113.09 and 23,916.68

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Solution

The fourth proportional to 80,076.41, 120,113.09 and 23,916.68 is: 35,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,076.41 : 120,113.09 = 23,916.68 : x
  2. Step 2: Convert to fraction form
    80,076.41/120,113.09 = 23,916.68/x
  3. Step 3: Cross multiply
    80,076.41x = 120,113.09 × 23,916.68
  4. Step 4: Simplify right side
    80,076.41x = 2,872,706,157.30
  5. Step 5: Solve for x
    x = 2,872,706,157.30/80,076.41
  6. Step 6: Final answer
    x = 35,874.56

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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.