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Finding the Fourth Proportional to 117,093.26, 175,640.33 and 28,346.63

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Solution

The fourth proportional to 117,093.26, 175,640.33 and 28,346.63 is: 42,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,093.26 : 175,640.33 = 28,346.63 : x
  2. Step 2: Convert to fraction form
    117,093.26/175,640.33 = 28,346.63/x
  3. Step 3: Cross multiply
    117,093.26x = 175,640.33 × 28,346.63
  4. Step 4: Simplify right side
    117,093.26x = 4,978,810,640.25
  5. Step 5: Solve for x
    x = 4,978,810,640.25/117,093.26
  6. Step 6: Final answer
    x = 42,520.04

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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.