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Finding the Fourth Proportional to 234,286.80, 350,905.20 and 140,598.96

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Solution

The fourth proportional to 234,286.80, 350,905.20 and 140,598.96 is: 210,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,286.80 : 350,905.20 = 140,598.96 : x
  2. Step 2: Convert to fraction form
    234,286.80/350,905.20 = 140,598.96/x
  3. Step 3: Cross multiply
    234,286.80x = 350,905.20 × 140,598.96
  4. Step 4: Simplify right side
    234,286.80x = 49,336,906,178.59
  5. Step 5: Solve for x
    x = 49,336,906,178.59/234,286.80
  6. Step 6: Final answer
    x = 210,583.38

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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.