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Finding the Fourth Proportional to 172,339.68, 237,850.92 and 96,902.76

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Solution

The fourth proportional to 172,339.68, 237,850.92 and 96,902.76 is: 133,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,339.68 : 237,850.92 = 96,902.76 : x
  2. Step 2: Convert to fraction form
    172,339.68/237,850.92 = 96,902.76/x
  3. Step 3: Cross multiply
    172,339.68x = 237,850.92 × 96,902.76
  4. Step 4: Simplify right side
    172,339.68x = 23,048,410,616.54
  5. Step 5: Solve for x
    x = 23,048,410,616.54/172,339.68
  6. Step 6: Final answer
    x = 133,738.27

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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.