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Finding the Fourth Proportional to 235,194.38, 352,939.50 and 100,258.32

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Solution

The fourth proportional to 235,194.38, 352,939.50 and 100,258.32 is: 150,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,194.38 : 352,939.50 = 100,258.32 : x
  2. Step 2: Convert to fraction form
    235,194.38/352,939.50 = 100,258.32/x
  3. Step 3: Cross multiply
    235,194.38x = 352,939.50 × 100,258.32
  4. Step 4: Simplify right side
    235,194.38x = 35,385,121,331.64
  5. Step 5: Solve for x
    x = 35,385,121,331.64/235,194.38
  6. Step 6: Final answer
    x = 150,450.54

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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.