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Finding the Fourth Proportional to 182,939.20, 274,408.80 and 89,627.20

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Solution

The fourth proportional to 182,939.20, 274,408.80 and 89,627.20 is: 134,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,939.20 : 274,408.80 = 89,627.20 : x
  2. Step 2: Convert to fraction form
    182,939.20/274,408.80 = 89,627.20/x
  3. Step 3: Cross multiply
    182,939.20x = 274,408.80 × 89,627.20
  4. Step 4: Simplify right side
    182,939.20x = 24,594,492,399.36
  5. Step 5: Solve for x
    x = 24,594,492,399.36/182,939.20
  6. Step 6: Final answer
    x = 134,440.80

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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.