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Finding the Fourth Proportional to 161,181.76, 222,282 and 100,733.08

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Solution

The fourth proportional to 161,181.76, 222,282 and 100,733.08 is: 138,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,181.76 : 222,282 = 100,733.08 : x
  2. Step 2: Convert to fraction form
    161,181.76/222,282 = 100,733.08/x
  3. Step 3: Cross multiply
    161,181.76x = 222,282 × 100,733.08
  4. Step 4: Simplify right side
    161,181.76x = 22,391,150,488.56
  5. Step 5: Solve for x
    x = 22,391,150,488.56/161,181.76
  6. Step 6: Final answer
    x = 138,918.64

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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.