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Finding the Fourth Proportional to 234,093.90, 350,546.85 and 128,793.90

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Solution

The fourth proportional to 234,093.90, 350,546.85 and 128,793.90 is: 192,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,093.90 : 350,546.85 = 128,793.90 : x
  2. Step 2: Convert to fraction form
    234,093.90/350,546.85 = 128,793.90/x
  3. Step 3: Cross multiply
    234,093.90x = 350,546.85 × 128,793.90
  4. Step 4: Simplify right side
    234,093.90x = 45,148,295,944.22
  5. Step 5: Solve for x
    x = 45,148,295,944.22/234,093.90
  6. Step 6: Final answer
    x = 192,864.04

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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.