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Finding the Fourth Proportional to 110,488.64, 165,584.64 and 60,493.28

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Solution

The fourth proportional to 110,488.64, 165,584.64 and 60,493.28 is: 90,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,488.64 : 165,584.64 = 60,493.28 : x
  2. Step 2: Convert to fraction form
    110,488.64/165,584.64 = 60,493.28/x
  3. Step 3: Cross multiply
    110,488.64x = 165,584.64 × 60,493.28
  4. Step 4: Simplify right side
    110,488.64x = 10,016,757,991.22
  5. Step 5: Solve for x
    x = 10,016,757,991.22/110,488.64
  6. Step 6: Final answer
    x = 90,658.71

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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.