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Finding the Fourth Proportional to 238,189.73, 356,992.99 and 104,928.53

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Solution

The fourth proportional to 238,189.73, 356,992.99 and 104,928.53 is: 157,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,189.73 : 356,992.99 = 104,928.53 : x
  2. Step 2: Convert to fraction form
    238,189.73/356,992.99 = 104,928.53/x
  3. Step 3: Cross multiply
    238,189.73x = 356,992.99 × 104,928.53
  4. Step 4: Simplify right side
    238,189.73x = 37,458,747,613.72
  5. Step 5: Solve for x
    x = 37,458,747,613.72/238,189.73
  6. Step 6: Final answer
    x = 157,264.33

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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.