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Finding the Fourth Proportional to 173,836.80, 260,755.20 and 151,027.20

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Solution

The fourth proportional to 173,836.80, 260,755.20 and 151,027.20 is: 226,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,836.80 : 260,755.20 = 151,027.20 : x
  2. Step 2: Convert to fraction form
    173,836.80/260,755.20 = 151,027.20/x
  3. Step 3: Cross multiply
    173,836.80x = 260,755.20 × 151,027.20
  4. Step 4: Simplify right side
    173,836.80x = 39,381,127,741.44
  5. Step 5: Solve for x
    x = 39,381,127,741.44/173,836.80
  6. Step 6: Final answer
    x = 226,540.80

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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.