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Finding the Fourth Proportional to 161,504.43, 222,873.88 and 89,884.44

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Solution

The fourth proportional to 161,504.43, 222,873.88 and 89,884.44 is: 124,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,504.43 : 222,873.88 = 89,884.44 : x
  2. Step 2: Convert to fraction form
    161,504.43/222,873.88 = 89,884.44/x
  3. Step 3: Cross multiply
    161,504.43x = 222,873.88 × 89,884.44
  4. Step 4: Simplify right side
    161,504.43x = 20,032,893,894.43
  5. Step 5: Solve for x
    x = 20,032,893,894.43/161,504.43
  6. Step 6: Final answer
    x = 124,039.28

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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.