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Finding the Fourth Proportional to 110,286.70, 152,074.07 and 76,236.07

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Solution

The fourth proportional to 110,286.70, 152,074.07 and 76,236.07 is: 105,121.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,286.70 : 152,074.07 = 76,236.07 : x
  2. Step 2: Convert to fraction form
    110,286.70/152,074.07 = 76,236.07/x
  3. Step 3: Cross multiply
    110,286.70x = 152,074.07 × 76,236.07
  4. Step 4: Simplify right side
    110,286.70x = 11,593,529,540.50
  5. Step 5: Solve for x
    x = 11,593,529,540.50/110,286.70
  6. Step 6: Final answer
    x = 105,121.74

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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.