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Finding the Fourth Proportional to 66,450.54, 99,741.41 and 29,036.43

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Solution

The fourth proportional to 66,450.54, 99,741.41 and 29,036.43 is: 43,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,450.54 : 99,741.41 = 29,036.43 : x
  2. Step 2: Convert to fraction form
    66,450.54/99,741.41 = 29,036.43/x
  3. Step 3: Cross multiply
    66,450.54x = 99,741.41 × 29,036.43
  4. Step 4: Simplify right side
    66,450.54x = 2,896,134,469.57
  5. Step 5: Solve for x
    x = 2,896,134,469.57/66,450.54
  6. Step 6: Final answer
    x = 43,583.31

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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.