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Finding the Fourth Proportional to 168,791.93, 232,961.51 and 97,213.40

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Solution

The fourth proportional to 168,791.93, 232,961.51 and 97,213.40 is: 134,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,791.93 : 232,961.51 = 97,213.40 : x
  2. Step 2: Convert to fraction form
    168,791.93/232,961.51 = 97,213.40/x
  3. Step 3: Cross multiply
    168,791.93x = 232,961.51 × 97,213.40
  4. Step 4: Simplify right side
    168,791.93x = 22,646,979,291.43
  5. Step 5: Solve for x
    x = 22,646,979,291.43/168,791.93
  6. Step 6: Final answer
    x = 134,170.98

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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.