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Finding the Fourth Proportional to 66,468.03, 99,467.82 and 41,519.82

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Solution

The fourth proportional to 66,468.03, 99,467.82 and 41,519.82 is: 62,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,468.03 : 99,467.82 = 41,519.82 : x
  2. Step 2: Convert to fraction form
    66,468.03/99,467.82 = 41,519.82/x
  3. Step 3: Cross multiply
    66,468.03x = 99,467.82 × 41,519.82
  4. Step 4: Simplify right side
    66,468.03x = 4,129,885,982.19
  5. Step 5: Solve for x
    x = 4,129,885,982.19/66,468.03
  6. Step 6: Final answer
    x = 62,133.42

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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.