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Finding the Fourth Proportional to 132,845.50, 183,326.79 and 82,544.50

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Solution

The fourth proportional to 132,845.50, 183,326.79 and 82,544.50 is: 113,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,845.50 : 183,326.79 = 82,544.50 : x
  2. Step 2: Convert to fraction form
    132,845.50/183,326.79 = 82,544.50/x
  3. Step 3: Cross multiply
    132,845.50x = 183,326.79 × 82,544.50
  4. Step 4: Simplify right side
    132,845.50x = 15,132,618,217.16
  5. Step 5: Solve for x
    x = 15,132,618,217.16/132,845.50
  6. Step 6: Final answer
    x = 113,911.41

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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.