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Finding the Fourth Proportional to 179,777.75, 269,596.54 and 67,396.71

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Solution

The fourth proportional to 179,777.75, 269,596.54 and 67,396.71 is: 101,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,777.75 : 269,596.54 = 67,396.71 : x
  2. Step 2: Convert to fraction form
    179,777.75/269,596.54 = 67,396.71/x
  3. Step 3: Cross multiply
    179,777.75x = 269,596.54 × 67,396.71
  4. Step 4: Simplify right side
    179,777.75x = 18,169,919,486.40
  5. Step 5: Solve for x
    x = 18,169,919,486.40/179,777.75
  6. Step 6: Final answer
    x = 101,068.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.