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Finding the Fourth Proportional to 184,520.40, 276,780.60 and 181,021.20

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Solution

The fourth proportional to 184,520.40, 276,780.60 and 181,021.20 is: 271,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,520.40 : 276,780.60 = 181,021.20 : x
  2. Step 2: Convert to fraction form
    184,520.40/276,780.60 = 181,021.20/x
  3. Step 3: Cross multiply
    184,520.40x = 276,780.60 × 181,021.20
  4. Step 4: Simplify right side
    184,520.40x = 50,103,156,348.72
  5. Step 5: Solve for x
    x = 50,103,156,348.72/184,520.40
  6. Step 6: Final answer
    x = 271,531.80

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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.