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Finding the Fourth Proportional to 161,361.72, 222,674.13 and 88,764.26

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Solution

The fourth proportional to 161,361.72, 222,674.13 and 88,764.26 is: 122,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,361.72 : 222,674.13 = 88,764.26 : x
  2. Step 2: Convert to fraction form
    161,361.72/222,674.13 = 88,764.26/x
  3. Step 3: Cross multiply
    161,361.72x = 222,674.13 × 88,764.26
  4. Step 4: Simplify right side
    161,361.72x = 19,765,503,257.22
  5. Step 5: Solve for x
    x = 19,765,503,257.22/161,361.72
  6. Step 6: Final answer
    x = 122,491.90

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1.5x scale

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.