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Finding the Fourth Proportional to 172,145.76, 237,583.42 and 96,694.24

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Solution

The fourth proportional to 172,145.76, 237,583.42 and 96,694.24 is: 133,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,145.76 : 237,583.42 = 96,694.24 : x
  2. Step 2: Convert to fraction form
    172,145.76/237,583.42 = 96,694.24/x
  3. Step 3: Cross multiply
    172,145.76x = 237,583.42 × 96,694.24
  4. Step 4: Simplify right side
    172,145.76x = 22,972,948,233.50
  5. Step 5: Solve for x
    x = 22,972,948,233.50/172,145.76
  6. Step 6: Final answer
    x = 133,450.56

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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.