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Finding the Fourth Proportional to 234,935.70, 324,211.50 and 127,505.79

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Solution

The fourth proportional to 234,935.70, 324,211.50 and 127,505.79 is: 175,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,935.70 : 324,211.50 = 127,505.79 : x
  2. Step 2: Convert to fraction form
    234,935.70/324,211.50 = 127,505.79/x
  3. Step 3: Cross multiply
    234,935.70x = 324,211.50 × 127,505.79
  4. Step 4: Simplify right side
    234,935.70x = 41,338,843,434.59
  5. Step 5: Solve for x
    x = 41,338,843,434.59/234,935.70
  6. Step 6: Final answer
    x = 175,958.12

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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.