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Finding the Fourth Proportional to 188,074.44, 282,129.84 and 54,951.66

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Solution

The fourth proportional to 188,074.44, 282,129.84 and 54,951.66 is: 82,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,074.44 : 282,129.84 = 54,951.66 : x
  2. Step 2: Convert to fraction form
    188,074.44/282,129.84 = 54,951.66/x
  3. Step 3: Cross multiply
    188,074.44x = 282,129.84 × 54,951.66
  4. Step 4: Simplify right side
    188,074.44x = 15,503,503,043.53
  5. Step 5: Solve for x
    x = 15,503,503,043.53/188,074.44
  6. Step 6: Final answer
    x = 82,432.80

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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.