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Finding the Fourth Proportional to 66,336.73, 99,504.87 and 26,893.75

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Solution

The fourth proportional to 66,336.73, 99,504.87 and 26,893.75 is: 40,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,336.73 : 99,504.87 = 26,893.75 : x
  2. Step 2: Convert to fraction form
    66,336.73/99,504.87 = 26,893.75/x
  3. Step 3: Cross multiply
    66,336.73x = 99,504.87 × 26,893.75
  4. Step 4: Simplify right side
    66,336.73x = 2,676,059,097.56
  5. Step 5: Solve for x
    x = 2,676,059,097.56/66,336.73
  6. Step 6: Final answer
    x = 40,340.53

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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.