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Finding the Fourth Proportional to 172,425.51, 237,944.88 and 96,974.01

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Solution

The fourth proportional to 172,425.51, 237,944.88 and 96,974.01 is: 133,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,425.51 : 237,944.88 = 96,974.01 : x
  2. Step 2: Convert to fraction form
    172,425.51/237,944.88 = 96,974.01/x
  3. Step 3: Cross multiply
    172,425.51x = 237,944.88 × 96,974.01
  4. Step 4: Simplify right side
    172,425.51x = 23,074,469,172.57
  5. Step 5: Solve for x
    x = 23,074,469,172.57/172,425.51
  6. Step 6: Final answer
    x = 133,822.83

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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.