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Finding the Fourth Proportional to 66,249.67, 91,416.23 and 44,786.11

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Solution

The fourth proportional to 66,249.67, 91,416.23 and 44,786.11 is: 61,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,249.67 : 91,416.23 = 44,786.11 : x
  2. Step 2: Convert to fraction form
    66,249.67/91,416.23 = 44,786.11/x
  3. Step 3: Cross multiply
    66,249.67x = 91,416.23 × 44,786.11
  4. Step 4: Simplify right side
    66,249.67x = 4,094,176,651.55
  5. Step 5: Solve for x
    x = 4,094,176,651.55/66,249.67
  6. Step 6: Final answer
    x = 61,799.20

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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.