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Finding the Fourth Proportional to 234,517, 352,247.84 and 139,932.04

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Solution

The fourth proportional to 234,517, 352,247.84 and 139,932.04 is: 210,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,517 : 352,247.84 = 139,932.04 : x
  2. Step 2: Convert to fraction form
    234,517/352,247.84 = 139,932.04/x
  3. Step 3: Cross multiply
    234,517x = 352,247.84 × 139,932.04
  4. Step 4: Simplify right side
    234,517x = 49,290,758,836.79
  5. Step 5: Solve for x
    x = 49,290,758,836.79/234,517
  6. Step 6: Final answer
    x = 210,179.90

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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.