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Finding the Fourth Proportional to 172,327.48, 237,807.76 and 93,743.44

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Solution

The fourth proportional to 172,327.48, 237,807.76 and 93,743.44 is: 129,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,327.48 : 237,807.76 = 93,743.44 : x
  2. Step 2: Convert to fraction form
    172,327.48/237,807.76 = 93,743.44/x
  3. Step 3: Cross multiply
    172,327.48x = 237,807.76 × 93,743.44
  4. Step 4: Simplify right side
    172,327.48x = 22,292,917,481.09
  5. Step 5: Solve for x
    x = 22,292,917,481.09/172,327.48
  6. Step 6: Final answer
    x = 129,363.68

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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.