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Finding the Fourth Proportional to 120,446.88, 179,811.04 and 112,442.44

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Solution

The fourth proportional to 120,446.88, 179,811.04 and 112,442.44 is: 167,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,446.88 : 179,811.04 = 112,442.44 : x
  2. Step 2: Convert to fraction form
    120,446.88/179,811.04 = 112,442.44/x
  3. Step 3: Cross multiply
    120,446.88x = 179,811.04 × 112,442.44
  4. Step 4: Simplify right side
    120,446.88x = 20,218,392,076.54
  5. Step 5: Solve for x
    x = 20,218,392,076.54/120,446.88
  6. Step 6: Final answer
    x = 167,861.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.