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Finding the Fourth Proportional to 161,109.44, 222,335.04 and 89,486

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Solution

The fourth proportional to 161,109.44, 222,335.04 and 89,486 is: 123,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,109.44 : 222,335.04 = 89,486 : x
  2. Step 2: Convert to fraction form
    161,109.44/222,335.04 = 89,486/x
  3. Step 3: Cross multiply
    161,109.44x = 222,335.04 × 89,486
  4. Step 4: Simplify right side
    161,109.44x = 19,895,873,389.44
  5. Step 5: Solve for x
    x = 19,895,873,389.44/161,109.44
  6. Step 6: Final answer
    x = 123,492.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.