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Finding the Fourth Proportional to 110,961.40, 166,571.70 and 63,614.20

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Solution

The fourth proportional to 110,961.40, 166,571.70 and 63,614.20 is: 95,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,961.40 : 166,571.70 = 63,614.20 : x
  2. Step 2: Convert to fraction form
    110,961.40/166,571.70 = 63,614.20/x
  3. Step 3: Cross multiply
    110,961.40x = 166,571.70 × 63,614.20
  4. Step 4: Simplify right side
    110,961.40x = 10,596,325,438.14
  5. Step 5: Solve for x
    x = 10,596,325,438.14/110,961.40
  6. Step 6: Final answer
    x = 95,495.60

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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.