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Finding the Fourth Proportional to 67,758.37, 101,639.21 and 22,780.37

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Solution

The fourth proportional to 67,758.37, 101,639.21 and 22,780.37 is: 34,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,758.37 : 101,639.21 = 22,780.37 : x
  2. Step 2: Convert to fraction form
    67,758.37/101,639.21 = 22,780.37/x
  3. Step 3: Cross multiply
    67,758.37x = 101,639.21 × 22,780.37
  4. Step 4: Simplify right side
    67,758.37x = 2,315,378,950.50
  5. Step 5: Solve for x
    x = 2,315,378,950.50/67,758.37
  6. Step 6: Final answer
    x = 34,171.11

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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.