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Finding the Fourth Proportional to 93,627.60, 140,149.80 and 54,067.20

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Solution

The fourth proportional to 93,627.60, 140,149.80 and 54,067.20 is: 80,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,627.60 : 140,149.80 = 54,067.20 : x
  2. Step 2: Convert to fraction form
    93,627.60/140,149.80 = 54,067.20/x
  3. Step 3: Cross multiply
    93,627.60x = 140,149.80 × 54,067.20
  4. Step 4: Simplify right side
    93,627.60x = 7,577,507,266.56
  5. Step 5: Solve for x
    x = 7,577,507,266.56/93,627.60
  6. Step 6: Final answer
    x = 80,932.41

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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.