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Finding the Fourth Proportional to 165,757.74, 228,773.11 and 97,791.33

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Solution

The fourth proportional to 165,757.74, 228,773.11 and 97,791.33 is: 134,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,757.74 : 228,773.11 = 97,791.33 : x
  2. Step 2: Convert to fraction form
    165,757.74/228,773.11 = 97,791.33/x
  3. Step 3: Cross multiply
    165,757.74x = 228,773.11 × 97,791.33
  4. Step 4: Simplify right side
    165,757.74x = 22,372,025,561.64
  5. Step 5: Solve for x
    x = 22,372,025,561.64/165,757.74
  6. Step 6: Final answer
    x = 134,968.21

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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.