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Finding the Fourth Proportional to 161,337.43, 222,651.03 and 88,743.39

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Solution

The fourth proportional to 161,337.43, 222,651.03 and 88,743.39 is: 122,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,337.43 : 222,651.03 = 88,743.39 : x
  2. Step 2: Convert to fraction form
    161,337.43/222,651.03 = 88,743.39/x
  3. Step 3: Cross multiply
    161,337.43x = 222,651.03 × 88,743.39
  4. Step 4: Simplify right side
    161,337.43x = 19,758,807,189.19
  5. Step 5: Solve for x
    x = 19,758,807,189.19/161,337.43
  6. Step 6: Final answer
    x = 122,468.84

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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.