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Finding the Fourth Proportional to 161,514, 222,889.32 and 94,446

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Solution

The fourth proportional to 161,514, 222,889.32 and 94,446 is: 130,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,514 : 222,889.32 = 94,446 : x
  2. Step 2: Convert to fraction form
    161,514/222,889.32 = 94,446/x
  3. Step 3: Cross multiply
    161,514x = 222,889.32 × 94,446
  4. Step 4: Simplify right side
    161,514x = 21,051,004,716.72
  5. Step 5: Solve for x
    x = 21,051,004,716.72/161,514
  6. Step 6: Final answer
    x = 130,335.48

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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.