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Finding the Fourth Proportional to 135,763.92, 203,380.95 and 88,874.64

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Solution

The fourth proportional to 135,763.92, 203,380.95 and 88,874.64 is: 133,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,763.92 : 203,380.95 = 88,874.64 : x
  2. Step 2: Convert to fraction form
    135,763.92/203,380.95 = 88,874.64/x
  3. Step 3: Cross multiply
    135,763.92x = 203,380.95 × 88,874.64
  4. Step 4: Simplify right side
    135,763.92x = 18,075,408,714.11
  5. Step 5: Solve for x
    x = 18,075,408,714.11/135,763.92
  6. Step 6: Final answer
    x = 133,138.53

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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.