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Finding the Fourth Proportional to 237,351.72, 327,542.78 and 135,374.54

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Solution

The fourth proportional to 237,351.72, 327,542.78 and 135,374.54 is: 186,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,351.72 : 327,542.78 = 135,374.54 : x
  2. Step 2: Convert to fraction form
    237,351.72/327,542.78 = 135,374.54/x
  3. Step 3: Cross multiply
    237,351.72x = 327,542.78 × 135,374.54
  4. Step 4: Simplify right side
    237,351.72x = 44,340,953,172.82
  5. Step 5: Solve for x
    x = 44,340,953,172.82/237,351.72
  6. Step 6: Final answer
    x = 186,815.39

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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.