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Finding the Fourth Proportional to 234,995.40, 351,974.70 and 141,337.80

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Solution

The fourth proportional to 234,995.40, 351,974.70 and 141,337.80 is: 211,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,995.40 : 351,974.70 = 141,337.80 : x
  2. Step 2: Convert to fraction form
    234,995.40/351,974.70 = 141,337.80/x
  3. Step 3: Cross multiply
    234,995.40x = 351,974.70 × 141,337.80
  4. Step 4: Simplify right side
    234,995.40x = 49,747,329,753.66
  5. Step 5: Solve for x
    x = 49,747,329,753.66/234,995.40
  6. Step 6: Final answer
    x = 211,694.91

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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.