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Finding the Fourth Proportional to 234,046.20, 350,939.70 and 100,903.80

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Solution

The fourth proportional to 234,046.20, 350,939.70 and 100,903.80 is: 151,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,046.20 : 350,939.70 = 100,903.80 : x
  2. Step 2: Convert to fraction form
    234,046.20/350,939.70 = 100,903.80/x
  3. Step 3: Cross multiply
    234,046.20x = 350,939.70 × 100,903.80
  4. Step 4: Simplify right side
    234,046.20x = 35,411,149,300.86
  5. Step 5: Solve for x
    x = 35,411,149,300.86/234,046.20
  6. Step 6: Final answer
    x = 151,299.83

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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.