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Finding the Fourth Proportional to 172,910.96, 259,366.46 and 133,525.52

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Solution

The fourth proportional to 172,910.96, 259,366.46 and 133,525.52 is: 200,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,910.96 : 259,366.46 = 133,525.52 : x
  2. Step 2: Convert to fraction form
    172,910.96/259,366.46 = 133,525.52/x
  3. Step 3: Cross multiply
    172,910.96x = 259,366.46 × 133,525.52
  4. Step 4: Simplify right side
    172,910.96x = 34,632,041,442.06
  5. Step 5: Solve for x
    x = 34,632,041,442.06/172,910.96
  6. Step 6: Final answer
    x = 200,288.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.