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Finding the Fourth Proportional to 115,524.40, 173,286.60 and 98,611.60

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Solution

The fourth proportional to 115,524.40, 173,286.60 and 98,611.60 is: 147,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,524.40 : 173,286.60 = 98,611.60 : x
  2. Step 2: Convert to fraction form
    115,524.40/173,286.60 = 98,611.60/x
  3. Step 3: Cross multiply
    115,524.40x = 173,286.60 × 98,611.60
  4. Step 4: Simplify right side
    115,524.40x = 17,088,068,884.56
  5. Step 5: Solve for x
    x = 17,088,068,884.56/115,524.40
  6. Step 6: Final answer
    x = 147,917.40

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1.5x scale

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.