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Finding the Fourth Proportional to 119,544.56, 164,965.02 and 68,559.44

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Solution

The fourth proportional to 119,544.56, 164,965.02 and 68,559.44 is: 94,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,544.56 : 164,965.02 = 68,559.44 : x
  2. Step 2: Convert to fraction form
    119,544.56/164,965.02 = 68,559.44/x
  3. Step 3: Cross multiply
    119,544.56x = 164,965.02 × 68,559.44
  4. Step 4: Simplify right side
    119,544.56x = 11,309,909,390.79
  5. Step 5: Solve for x
    x = 11,309,909,390.79/119,544.56
  6. Step 6: Final answer
    x = 94,608.32

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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.