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Finding the Fourth Proportional to 172,006.54, 237,371.79 and 96,553.42

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Solution

The fourth proportional to 172,006.54, 237,371.79 and 96,553.42 is: 133,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,006.54 : 237,371.79 = 96,553.42 : x
  2. Step 2: Convert to fraction form
    172,006.54/237,371.79 = 96,553.42/x
  3. Step 3: Cross multiply
    172,006.54x = 237,371.79 × 96,553.42
  4. Step 4: Simplify right side
    172,006.54x = 22,919,058,136.02
  5. Step 5: Solve for x
    x = 22,919,058,136.02/172,006.54
  6. Step 6: Final answer
    x = 133,245.27

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1.5x scale

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.