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Finding the Fourth Proportional to 91,682.86, 137,571 and 44,338.36

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Solution

The fourth proportional to 91,682.86, 137,571 and 44,338.36 is: 66,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,682.86 : 137,571 = 44,338.36 : x
  2. Step 2: Convert to fraction form
    91,682.86/137,571 = 44,338.36/x
  3. Step 3: Cross multiply
    91,682.86x = 137,571 × 44,338.36
  4. Step 4: Simplify right side
    91,682.86x = 6,099,672,523.56
  5. Step 5: Solve for x
    x = 6,099,672,523.56/91,682.86
  6. Step 6: Final answer
    x = 66,530.13

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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.