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Finding the Fourth Proportional to 171,820.92, 237,112.68 and 96,369.48

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Solution

The fourth proportional to 171,820.92, 237,112.68 and 96,369.48 is: 132,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,820.92 : 237,112.68 = 96,369.48 : x
  2. Step 2: Convert to fraction form
    171,820.92/237,112.68 = 96,369.48/x
  3. Step 3: Cross multiply
    171,820.92x = 237,112.68 × 96,369.48
  4. Step 4: Simplify right side
    171,820.92x = 22,850,425,673.01
  5. Step 5: Solve for x
    x = 22,850,425,673.01/171,820.92
  6. Step 6: Final answer
    x = 132,989.78

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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.