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Finding the Fourth Proportional to 159,794, 220,522.74 and 91,832.84

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Solution

The fourth proportional to 159,794, 220,522.74 and 91,832.84 is: 126,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,794 : 220,522.74 = 91,832.84 : x
  2. Step 2: Convert to fraction form
    159,794/220,522.74 = 91,832.84/x
  3. Step 3: Cross multiply
    159,794x = 220,522.74 × 91,832.84
  4. Step 4: Simplify right side
    159,794x = 20,251,229,498.78
  5. Step 5: Solve for x
    x = 20,251,229,498.78/159,794
  6. Step 6: Final answer
    x = 126,733.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.