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Finding the Fourth Proportional to 66,791.56, 100,238.10 and 24,711.43

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Solution

The fourth proportional to 66,791.56, 100,238.10 and 24,711.43 is: 37,085.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,791.56 : 100,238.10 = 24,711.43 : x
  2. Step 2: Convert to fraction form
    66,791.56/100,238.10 = 24,711.43/x
  3. Step 3: Cross multiply
    66,791.56x = 100,238.10 × 24,711.43
  4. Step 4: Simplify right side
    66,791.56x = 2,477,026,791.48
  5. Step 5: Solve for x
    x = 2,477,026,791.48/66,791.56
  6. Step 6: Final answer
    x = 37,085.93

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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.