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Finding the Fourth Proportional to 103,472.37, 142,791.73 and 60,481.42

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Solution

The fourth proportional to 103,472.37, 142,791.73 and 60,481.42 is: 83,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,472.37 : 142,791.73 = 60,481.42 : x
  2. Step 2: Convert to fraction form
    103,472.37/142,791.73 = 60,481.42/x
  3. Step 3: Cross multiply
    103,472.37x = 142,791.73 × 60,481.42
  4. Step 4: Simplify right side
    103,472.37x = 8,636,246,086.47
  5. Step 5: Solve for x
    x = 8,636,246,086.47/103,472.37
  6. Step 6: Final answer
    x = 83,464.27

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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.