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Finding the Fourth Proportional to 67,964.40, 101,920.60 and 22,361.48

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Solution

The fourth proportional to 67,964.40, 101,920.60 and 22,361.48 is: 33,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,964.40 : 101,920.60 = 22,361.48 : x
  2. Step 2: Convert to fraction form
    67,964.40/101,920.60 = 22,361.48/x
  3. Step 3: Cross multiply
    67,964.40x = 101,920.60 × 22,361.48
  4. Step 4: Simplify right side
    67,964.40x = 2,279,095,458.49
  5. Step 5: Solve for x
    x = 2,279,095,458.49/67,964.40
  6. Step 6: Final answer
    x = 33,533.67

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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.