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Finding the Fourth Proportional to 165,245.68, 228,039.06 and 89,794

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Solution

The fourth proportional to 165,245.68, 228,039.06 and 89,794 is: 123,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,245.68 : 228,039.06 = 89,794 : x
  2. Step 2: Convert to fraction form
    165,245.68/228,039.06 = 89,794/x
  3. Step 3: Cross multiply
    165,245.68x = 228,039.06 × 89,794
  4. Step 4: Simplify right side
    165,245.68x = 20,476,539,353.64
  5. Step 5: Solve for x
    x = 20,476,539,353.64/165,245.68
  6. Step 6: Final answer
    x = 123,915.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.