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Finding the Fourth Proportional to 234,624.78, 323,784.54 and 127,194.57

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Solution

The fourth proportional to 234,624.78, 323,784.54 and 127,194.57 is: 175,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,624.78 : 323,784.54 = 127,194.57 : x
  2. Step 2: Convert to fraction form
    234,624.78/323,784.54 = 127,194.57/x
  3. Step 3: Cross multiply
    234,624.78x = 323,784.54 × 127,194.57
  4. Step 4: Simplify right side
    234,624.78x = 41,183,635,337.95
  5. Step 5: Solve for x
    x = 41,183,635,337.95/234,624.78
  6. Step 6: Final answer
    x = 175,529.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.