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Finding the Fourth Proportional to 64,135.44, 96,204.84 and 30,393.54

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Solution

The fourth proportional to 64,135.44, 96,204.84 and 30,393.54 is: 45,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.44 : 96,204.84 = 30,393.54 : x
  2. Step 2: Convert to fraction form
    64,135.44/96,204.84 = 30,393.54/x
  3. Step 3: Cross multiply
    64,135.44x = 96,204.84 × 30,393.54
  4. Step 4: Simplify right side
    64,135.44x = 2,924,005,652.73
  5. Step 5: Solve for x
    x = 2,924,005,652.73/64,135.44
  6. Step 6: Final answer
    x = 45,591.11

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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.