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Finding the Fourth Proportional to 89,702.77, 134,578.44 and 33,548.58

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Solution

The fourth proportional to 89,702.77, 134,578.44 and 33,548.58 is: 50,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,702.77 : 134,578.44 = 33,548.58 : x
  2. Step 2: Convert to fraction form
    89,702.77/134,578.44 = 33,548.58/x
  3. Step 3: Cross multiply
    89,702.77x = 134,578.44 × 33,548.58
  4. Step 4: Simplify right side
    89,702.77x = 4,514,915,560.62
  5. Step 5: Solve for x
    x = 4,514,915,560.62/89,702.77
  6. Step 6: Final answer
    x = 50,331.95

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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.