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Finding the Fourth Proportional to 175,773.63, 263,672.86 and 87,003.30

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Solution

The fourth proportional to 175,773.63, 263,672.86 and 87,003.30 is: 130,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,773.63 : 263,672.86 = 87,003.30 : x
  2. Step 2: Convert to fraction form
    175,773.63/263,672.86 = 87,003.30/x
  3. Step 3: Cross multiply
    175,773.63x = 263,672.86 × 87,003.30
  4. Step 4: Simplify right side
    175,773.63x = 22,940,408,940.44
  5. Step 5: Solve for x
    x = 22,940,408,940.44/175,773.63
  6. Step 6: Final answer
    x = 130,511.10

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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.