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Finding the Fourth Proportional to 117,168.33, 161,691.44 and 63,452.10

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Solution

The fourth proportional to 117,168.33, 161,691.44 and 63,452.10 is: 87,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,168.33 : 161,691.44 = 63,452.10 : x
  2. Step 2: Convert to fraction form
    117,168.33/161,691.44 = 63,452.10/x
  3. Step 3: Cross multiply
    117,168.33x = 161,691.44 × 63,452.10
  4. Step 4: Simplify right side
    117,168.33x = 10,259,661,420.02
  5. Step 5: Solve for x
    x = 10,259,661,420.02/117,168.33
  6. Step 6: Final answer
    x = 87,563.43

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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.