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Finding the Fourth Proportional to 159,642.28, 220,077.44 and 125,591.63

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Solution

The fourth proportional to 159,642.28, 220,077.44 and 125,591.63 is: 173,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,642.28 : 220,077.44 = 125,591.63 : x
  2. Step 2: Convert to fraction form
    159,642.28/220,077.44 = 125,591.63/x
  3. Step 3: Cross multiply
    159,642.28x = 220,077.44 × 125,591.63
  4. Step 4: Simplify right side
    159,642.28x = 27,639,884,396.39
  5. Step 5: Solve for x
    x = 27,639,884,396.39/159,642.28
  6. Step 6: Final answer
    x = 173,136.37

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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.