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Finding the Fourth Proportional to 120,093.68, 179,994.84 and 88,208.07

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Solution

The fourth proportional to 120,093.68, 179,994.84 and 88,208.07 is: 132,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,093.68 : 179,994.84 = 88,208.07 : x
  2. Step 2: Convert to fraction form
    120,093.68/179,994.84 = 88,208.07/x
  3. Step 3: Cross multiply
    120,093.68x = 179,994.84 × 88,208.07
  4. Step 4: Simplify right side
    120,093.68x = 15,876,997,446.36
  5. Step 5: Solve for x
    x = 15,876,997,446.36/120,093.68
  6. Step 6: Final answer
    x = 132,205.11

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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.