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Finding the Fourth Proportional to 234,845, 324,086.10 and 134,245.16

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Solution

The fourth proportional to 234,845, 324,086.10 and 134,245.16 is: 185,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,845 : 324,086.10 = 134,245.16 : x
  2. Step 2: Convert to fraction form
    234,845/324,086.10 = 134,245.16/x
  3. Step 3: Cross multiply
    234,845x = 324,086.10 × 134,245.16
  4. Step 4: Simplify right side
    234,845x = 43,506,990,348.28
  5. Step 5: Solve for x
    x = 43,506,990,348.28/234,845
  6. Step 6: Final answer
    x = 185,258.32

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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.