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Finding the Fourth Proportional to 117,093.60, 175,640.84 and 28,346.96

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Solution

The fourth proportional to 117,093.60, 175,640.84 and 28,346.96 is: 42,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,093.60 : 175,640.84 = 28,346.96 : x
  2. Step 2: Convert to fraction form
    117,093.60/175,640.84 = 28,346.96/x
  3. Step 3: Cross multiply
    117,093.60x = 175,640.84 × 28,346.96
  4. Step 4: Simplify right side
    117,093.60x = 4,978,883,865.85
  5. Step 5: Solve for x
    x = 4,978,883,865.85/117,093.60
  6. Step 6: Final answer
    x = 42,520.55

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1.5x scale

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.