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Finding the Fourth Proportional to 234,633.34, 351,877.65 and 84,855.70

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Solution

The fourth proportional to 234,633.34, 351,877.65 and 84,855.70 is: 127,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,633.34 : 351,877.65 = 84,855.70 : x
  2. Step 2: Convert to fraction form
    234,633.34/351,877.65 = 84,855.70/x
  3. Step 3: Cross multiply
    234,633.34x = 351,877.65 × 84,855.70
  4. Step 4: Simplify right side
    234,633.34x = 29,858,824,305.11
  5. Step 5: Solve for x
    x = 29,858,824,305.11/234,633.34
  6. Step 6: Final answer
    x = 127,257.38

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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.