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Finding the Fourth Proportional to 159,597.48, 220,182.84 and 91,589.88

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Solution

The fourth proportional to 159,597.48, 220,182.84 and 91,589.88 is: 126,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,597.48 : 220,182.84 = 91,589.88 : x
  2. Step 2: Convert to fraction form
    159,597.48/220,182.84 = 91,589.88/x
  3. Step 3: Cross multiply
    159,597.48x = 220,182.84 × 91,589.88
  4. Step 4: Simplify right side
    159,597.48x = 20,166,519,893.66
  5. Step 5: Solve for x
    x = 20,166,519,893.66/159,597.48
  6. Step 6: Final answer
    x = 126,358.64

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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.