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Finding the Fourth Proportional to 234,935.81, 352,324.73 and 85,144.74

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Solution

The fourth proportional to 234,935.81, 352,324.73 and 85,144.74 is: 127,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,935.81 : 352,324.73 = 85,144.74 : x
  2. Step 2: Convert to fraction form
    234,935.81/352,324.73 = 85,144.74/x
  3. Step 3: Cross multiply
    234,935.81x = 352,324.73 × 85,144.74
  4. Step 4: Simplify right side
    234,935.81x = 29,998,597,105.70
  5. Step 5: Solve for x
    x = 29,998,597,105.70/234,935.81
  6. Step 6: Final answer
    x = 127,688.49

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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.