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Finding the Fourth Proportional to 89,893.11, 134,804.63 and 33,702.57

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Solution

The fourth proportional to 89,893.11, 134,804.63 and 33,702.57 is: 50,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,893.11 : 134,804.63 = 33,702.57 : x
  2. Step 2: Convert to fraction form
    89,893.11/134,804.63 = 33,702.57/x
  3. Step 3: Cross multiply
    89,893.11x = 134,804.63 × 33,702.57
  4. Step 4: Simplify right side
    89,893.11x = 4,543,262,310.39
  5. Step 5: Solve for x
    x = 4,543,262,310.39/89,893.11
  6. Step 6: Final answer
    x = 50,540.72

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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.