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Finding the Fourth Proportional to 172,013.78, 237,371.13 and 95,537.76

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Solution

The fourth proportional to 172,013.78, 237,371.13 and 95,537.76 is: 131,837.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,013.78 : 237,371.13 = 95,537.76 : x
  2. Step 2: Convert to fraction form
    172,013.78/237,371.13 = 95,537.76/x
  3. Step 3: Cross multiply
    172,013.78x = 237,371.13 × 95,537.76
  4. Step 4: Simplify right side
    172,013.78x = 22,677,906,048.87
  5. Step 5: Solve for x
    x = 22,677,906,048.87/172,013.78
  6. Step 6: Final answer
    x = 131,837.73

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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.