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Finding the Fourth Proportional to 179,777.74, 269,596.53 and 67,396.64

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Solution

The fourth proportional to 179,777.74, 269,596.53 and 67,396.64 is: 101,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,777.74 : 269,596.53 = 67,396.64 : x
  2. Step 2: Convert to fraction form
    179,777.74/269,596.53 = 67,396.64/x
  3. Step 3: Cross multiply
    179,777.74x = 269,596.53 × 67,396.64
  4. Step 4: Simplify right side
    179,777.74x = 18,169,900,277.66
  5. Step 5: Solve for x
    x = 18,169,900,277.66/179,777.74
  6. Step 6: Final answer
    x = 101,068.69

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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.