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Finding the Fourth Proportional to 172,832.55, 259,292.55 and 48,173.55

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Solution

The fourth proportional to 172,832.55, 259,292.55 and 48,173.55 is: 72,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,832.55 : 259,292.55 = 48,173.55 : x
  2. Step 2: Convert to fraction form
    172,832.55/259,292.55 = 48,173.55/x
  3. Step 3: Cross multiply
    172,832.55x = 259,292.55 × 48,173.55
  4. Step 4: Simplify right side
    172,832.55x = 12,491,042,622.05
  5. Step 5: Solve for x
    x = 12,491,042,622.05/172,832.55
  6. Step 6: Final answer
    x = 72,272.51

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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.