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Finding the Fourth Proportional to 89,570.98, 134,371.77 and 36,951.70

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Solution

The fourth proportional to 89,570.98, 134,371.77 and 36,951.70 is: 55,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,570.98 : 134,371.77 = 36,951.70 : x
  2. Step 2: Convert to fraction form
    89,570.98/134,371.77 = 36,951.70/x
  3. Step 3: Cross multiply
    89,570.98x = 134,371.77 × 36,951.70
  4. Step 4: Simplify right side
    89,570.98x = 4,965,265,333.51
  5. Step 5: Solve for x
    x = 4,965,265,333.51/89,570.98
  6. Step 6: Final answer
    x = 55,433.86

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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.