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Finding the Fourth Proportional to 111,591.60, 167,396.51 and 52,394.98

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Solution

The fourth proportional to 111,591.60, 167,396.51 and 52,394.98 is: 78,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,591.60 : 167,396.51 = 52,394.98 : x
  2. Step 2: Convert to fraction form
    111,591.60/167,396.51 = 52,394.98/x
  3. Step 3: Cross multiply
    111,591.60x = 167,396.51 × 52,394.98
  4. Step 4: Simplify right side
    111,591.60x = 8,770,736,793.52
  5. Step 5: Solve for x
    x = 8,770,736,793.52/111,591.60
  6. Step 6: Final answer
    x = 78,596.75

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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.