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Finding the Fourth Proportional to 179,977.68, 270,101.52 and 67,768.56

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Solution

The fourth proportional to 179,977.68, 270,101.52 and 67,768.56 is: 101,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,977.68 : 270,101.52 = 67,768.56 : x
  2. Step 2: Convert to fraction form
    179,977.68/270,101.52 = 67,768.56/x
  3. Step 3: Cross multiply
    179,977.68x = 270,101.52 × 67,768.56
  4. Step 4: Simplify right side
    179,977.68x = 18,304,391,064.21
  5. Step 5: Solve for x
    x = 18,304,391,064.21/179,977.68
  6. Step 6: Final answer
    x = 101,703.67

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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.