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Finding the Fourth Proportional to 161,471.88, 222,807.48 and 96,927.44

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Solution

The fourth proportional to 161,471.88, 222,807.48 and 96,927.44 is: 133,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,471.88 : 222,807.48 = 96,927.44 : x
  2. Step 2: Convert to fraction form
    161,471.88/222,807.48 = 96,927.44/x
  3. Step 3: Cross multiply
    161,471.88x = 222,807.48 × 96,927.44
  4. Step 4: Simplify right side
    161,471.88x = 21,596,158,649.25
  5. Step 5: Solve for x
    x = 21,596,158,649.25/161,471.88
  6. Step 6: Final answer
    x = 133,745.63

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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.