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Finding the Fourth Proportional to 335,663.38, 503,481.42 and 82,937.51

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Solution

The fourth proportional to 335,663.38, 503,481.42 and 82,937.51 is: 124,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,663.38 : 503,481.42 = 82,937.51 : x
  2. Step 2: Convert to fraction form
    335,663.38/503,481.42 = 82,937.51/x
  3. Step 3: Cross multiply
    335,663.38x = 503,481.42 × 82,937.51
  4. Step 4: Simplify right side
    335,663.38x = 41,757,494,047.36
  5. Step 5: Solve for x
    x = 41,757,494,047.36/335,663.38
  6. Step 6: Final answer
    x = 124,402.89

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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.