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Finding the Fourth Proportional to 64,076.56, 96,149.31 and 26,662.45

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Solution

The fourth proportional to 64,076.56, 96,149.31 and 26,662.45 is: 40,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,076.56 : 96,149.31 = 26,662.45 : x
  2. Step 2: Convert to fraction form
    64,076.56/96,149.31 = 26,662.45/x
  3. Step 3: Cross multiply
    64,076.56x = 96,149.31 × 26,662.45
  4. Step 4: Simplify right side
    64,076.56x = 2,563,576,170.41
  5. Step 5: Solve for x
    x = 2,563,576,170.41/64,076.56
  6. Step 6: Final answer
    x = 40,008.02

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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.