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Finding the Fourth Proportional to 87,964.88, 132,001.32 and 73,354.64

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Solution

The fourth proportional to 87,964.88, 132,001.32 and 73,354.64 is: 110,076.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,964.88 : 132,001.32 = 73,354.64 : x
  2. Step 2: Convert to fraction form
    87,964.88/132,001.32 = 73,354.64/x
  3. Step 3: Cross multiply
    87,964.88x = 132,001.32 × 73,354.64
  4. Step 4: Simplify right side
    87,964.88x = 9,682,909,308.12
  5. Step 5: Solve for x
    x = 9,682,909,308.12/87,964.88
  6. Step 6: Final answer
    x = 110,076.99

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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.