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Finding the Fourth Proportional to 73,793.60, 110,690.40 and 29,427.20

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Solution

The fourth proportional to 73,793.60, 110,690.40 and 29,427.20 is: 44,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,793.60 : 110,690.40 = 29,427.20 : x
  2. Step 2: Convert to fraction form
    73,793.60/110,690.40 = 29,427.20/x
  3. Step 3: Cross multiply
    73,793.60x = 110,690.40 × 29,427.20
  4. Step 4: Simplify right side
    73,793.60x = 3,257,308,538.88
  5. Step 5: Solve for x
    x = 3,257,308,538.88/73,793.60
  6. Step 6: Final answer
    x = 44,140.80

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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.