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Finding the Fourth Proportional to 117,993.08, 176,573.82 and 73,640.72

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Solution

The fourth proportional to 117,993.08, 176,573.82 and 73,640.72 is: 110,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,993.08 : 176,573.82 = 73,640.72 : x
  2. Step 2: Convert to fraction form
    117,993.08/176,573.82 = 73,640.72/x
  3. Step 3: Cross multiply
    117,993.08x = 176,573.82 × 73,640.72
  4. Step 4: Simplify right side
    117,993.08x = 13,003,023,237.95
  5. Step 5: Solve for x
    x = 13,003,023,237.95/117,993.08
  6. Step 6: Final answer
    x = 110,201.57

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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.