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Finding the Fourth Proportional to 94,793.44, 142,142.44 and 31,591.20

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Solution

The fourth proportional to 94,793.44, 142,142.44 and 31,591.20 is: 47,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,793.44 : 142,142.44 = 31,591.20 : x
  2. Step 2: Convert to fraction form
    94,793.44/142,142.44 = 31,591.20/x
  3. Step 3: Cross multiply
    94,793.44x = 142,142.44 × 31,591.20
  4. Step 4: Simplify right side
    94,793.44x = 4,490,450,250.53
  5. Step 5: Solve for x
    x = 4,490,450,250.53/94,793.44
  6. Step 6: Final answer
    x = 47,370.90

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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.