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Finding the Fourth Proportional to 172,834.11, 259,250.79 and 48,175.11

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Solution

The fourth proportional to 172,834.11, 259,250.79 and 48,175.11 is: 72,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,834.11 : 259,250.79 = 48,175.11 : x
  2. Step 2: Convert to fraction form
    172,834.11/259,250.79 = 48,175.11/x
  3. Step 3: Cross multiply
    172,834.11x = 259,250.79 × 48,175.11
  4. Step 4: Simplify right side
    172,834.11x = 12,489,435,325.84
  5. Step 5: Solve for x
    x = 12,489,435,325.84/172,834.11
  6. Step 6: Final answer
    x = 72,262.56

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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.