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Finding the Fourth Proportional to 234,180.94, 351,272.31 and 56,687.65

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Solution

The fourth proportional to 234,180.94, 351,272.31 and 56,687.65 is: 85,031.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,180.94 : 351,272.31 = 56,687.65 : x
  2. Step 2: Convert to fraction form
    234,180.94/351,272.31 = 56,687.65/x
  3. Step 3: Cross multiply
    234,180.94x = 351,272.31 × 56,687.65
  4. Step 4: Simplify right side
    234,180.94x = 19,912,801,763.97
  5. Step 5: Solve for x
    x = 19,912,801,763.97/234,180.94
  6. Step 6: Final answer
    x = 85,031.69

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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.