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Finding the Fourth Proportional to 172,362.34, 237,857.74 and 96,910.84

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Solution

The fourth proportional to 172,362.34, 237,857.74 and 96,910.84 is: 133,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,362.34 : 237,857.74 = 96,910.84 : x
  2. Step 2: Convert to fraction form
    172,362.34/237,857.74 = 96,910.84/x
  3. Step 3: Cross multiply
    172,362.34x = 237,857.74 × 96,910.84
  4. Step 4: Simplify right side
    172,362.34x = 23,050,993,383.90
  5. Step 5: Solve for x
    x = 23,050,993,383.90/172,362.34
  6. Step 6: Final answer
    x = 133,735.67

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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.