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Finding the Fourth Proportional to 161,060.55, 222,005.03 and 109,361.49

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Solution

The fourth proportional to 161,060.55, 222,005.03 and 109,361.49 is: 150,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,060.55 : 222,005.03 = 109,361.49 : x
  2. Step 2: Convert to fraction form
    161,060.55/222,005.03 = 109,361.49/x
  3. Step 3: Cross multiply
    161,060.55x = 222,005.03 × 109,361.49
  4. Step 4: Simplify right side
    161,060.55x = 24,278,800,868.29
  5. Step 5: Solve for x
    x = 24,278,800,868.29/161,060.55
  6. Step 6: Final answer
    x = 150,743.31

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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.